21000322000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{421}}^1\times {\mathrm{509}}^1$

素因数の和:967

約数の個数: 240

約数和(自身を含む): 59325823440

約数和(自身を除く): 38325501440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 421, 490, 500, 509, 560, 700, 784, 842, 875, 980, 1000, 1018, 1225, 1400, 1684, 1750, 1960, 2000, 2036, 2105, 2450, 2545, 2800, 2947, 3368, 3500, 3563, 3920, 4072, 4210, 4900, 5090, 5894, 6125, 6736, 7000, 7126, 8144, 8420, 9800, 10180, 10525, 11788, 12250, 12725, 14000, 14252, 14735, 16840, 17815, 19600, 20360, 20629, 21050, 23576, 24500, 24941, 25450, 28504, 29470, 33680, 35630, 40720, 41258, 42100, 47152, 49000, 49882, 50900, 52625, 57008, 58940, 63625, 71260, 73675, 82516, 84200, 89075, 98000, 99764, 101800, 103145, 105250, 117880, 124705, 127250, 142520, 147350, 165032, 168400, 178150, 199528, 203600, 206290, 210500, 214289, 235760, 249410, 254500, 285040, 294700, 330064, 356300, 368375, 399056, 412580, 421000, 428578, 445375, 498820, 509000, 515725, 589400, 623525, 712600, 736750, 825160, 842000, 857156, 890750, 997640, 1018000, 1031450, 1071445, 1178800, 1247050, 1425200, 1473500, 1500023, 1650320, 1714312, 1781500, 1995280, 2062900, 2142890, 2494100, 2578625, 2947000, 3000046, 3117625, 3428624, 3563000, 4125800, 4285780, 4988200, 5157250, 5357225, 5894000, 6000092, 6235250, 7126000, 7500115, 8251600, 8571560, 9976400, 10314500, 10500161, 10714450, 12000184, 12470500, 15000230, 17143120, 20629000, 21000322, 21428900, 24000368, 24941000, 26786125, 30000460, 37500575, 41258000, 42000644, 42857800, 49882000, 52500805, 53572250, 60000920, 75001150, 84001288, 85715600, 105001610, 107144500, 120001840, 150002300, 168002576, 187502875, 210003220, 214289000, 262504025, 300004600, 375005750, 420006440, 428578000, 525008050, 600009200, 750011500, 840012880, 1050016100, 1312520125, 1500023000, 2100032200, 2625040250, 3000046000, 4200064400, 5250080500, 10500161000, 21000322000]

約数ペア:

[(1, 21000322000), (2, 10500161000), (4, 5250080500), (5, 4200064400), (7, 3000046000), (8, 2625040250), (10, 2100032200), (14, 1500023000), (16, 1312520125), (20, 1050016100), (25, 840012880), (28, 750011500), (35, 600009200), (40, 525008050), (49, 428578000), (50, 420006440), (56, 375005750), (70, 300004600), (80, 262504025), (98, 214289000), (100, 210003220), (112, 187502875), (125, 168002576), (140, 150002300), (175, 120001840), (196, 107144500), (200, 105001610), (245, 85715600), (250, 84001288), (280, 75001150), (350, 60000920), (392, 53572250), (400, 52500805), (421, 49882000), (490, 42857800), (500, 42000644), (509, 41258000), (560, 37500575), (700, 30000460), (784, 26786125), (842, 24941000), (875, 24000368), (980, 21428900), (1000, 21000322), (1018, 20629000), (1225, 17143120), (1400, 15000230), (1684, 12470500), (1750, 12000184), (1960, 10714450), (2000, 10500161), (2036, 10314500), (2105, 9976400), (2450, 8571560), (2545, 8251600), (2800, 7500115), (2947, 7126000), (3368, 6235250), (3500, 6000092), (3563, 5894000), (3920, 5357225), (4072, 5157250), (4210, 4988200), (4900, 4285780), (5090, 4125800), (5894, 3563000), (6125, 3428624), (6736, 3117625), (7000, 3000046), (7126, 2947000), (8144, 2578625), (8420, 2494100), (9800, 2142890), (10180, 2062900), (10525, 1995280), (11788, 1781500), (12250, 1714312), (12725, 1650320), (14000, 1500023), (14252, 1473500), (14735, 1425200), (16840, 1247050), (17815, 1178800), (19600, 1071445), (20360, 1031450), (20629, 1018000), (21050, 997640), (23576, 890750), (24500, 857156), (24941, 842000), (25450, 825160), (28504, 736750), (29470, 712600), (33680, 623525), (35630, 589400), (40720, 515725), (41258, 509000), (42100, 498820), (47152, 445375), (49000, 428578), (49882, 421000), (50900, 412580), (52625, 399056), (57008, 368375), (58940, 356300), (63625, 330064), (71260, 294700), (73675, 285040), (82516, 254500), (84200, 249410), (89075, 235760), (98000, 214289), (99764, 210500), (101800, 206290), (103145, 203600), (105250, 199528), (117880, 178150), (124705, 168400), (127250, 165032), (142520, 147350)]