21931000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:282

約数の個数: 128

約数和(自身を含む): 63423360

約数和(自身を除く): 41492360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 125, 130, 140, 175, 182, 200, 241, 250, 260, 280, 325, 350, 364, 455, 482, 500, 520, 650, 700, 728, 875, 910, 964, 1000, 1205, 1300, 1400, 1625, 1687, 1750, 1820, 1928, 2275, 2410, 2600, 3133, 3250, 3374, 3500, 3640, 4550, 4820, 6025, 6266, 6500, 6748, 7000, 8435, 9100, 9640, 11375, 12050, 12532, 13000, 13496, 15665, 16870, 18200, 21931, 22750, 24100, 25064, 30125, 31330, 33740, 42175, 43862, 45500, 48200, 60250, 62660, 67480, 78325, 84350, 87724, 91000, 109655, 120500, 125320, 156650, 168700, 175448, 210875, 219310, 241000, 313300, 337400, 391625, 421750, 438620, 548275, 626600, 783250, 843500, 877240, 1096550, 1566500, 1687000, 2193100, 2741375, 3133000, 4386200, 5482750, 10965500, 21931000]

約数ペア:

[(1, 21931000), (2, 10965500), (4, 5482750), (5, 4386200), (7, 3133000), (8, 2741375), (10, 2193100), (13, 1687000), (14, 1566500), (20, 1096550), (25, 877240), (26, 843500), (28, 783250), (35, 626600), (40, 548275), (50, 438620), (52, 421750), (56, 391625), (65, 337400), (70, 313300), (91, 241000), (100, 219310), (104, 210875), (125, 175448), (130, 168700), (140, 156650), (175, 125320), (182, 120500), (200, 109655), (241, 91000), (250, 87724), (260, 84350), (280, 78325), (325, 67480), (350, 62660), (364, 60250), (455, 48200), (482, 45500), (500, 43862), (520, 42175), (650, 33740), (700, 31330), (728, 30125), (875, 25064), (910, 24100), (964, 22750), (1000, 21931), (1205, 18200), (1300, 16870), (1400, 15665), (1625, 13496), (1687, 13000), (1750, 12532), (1820, 12050), (1928, 11375), (2275, 9640), (2410, 9100), (2600, 8435), (3133, 7000), (3250, 6748), (3374, 6500), (3500, 6266), (3640, 6025), (4550, 4820)]