21035700

素因数分解:

$2^2\times 3^4\times 5^2\times 7^2\times {\mathrm{53}}^1$

素因数の和:93

約数の個数: 270

約数和(自身を含む): 80819046

約数和(自身を除く): 59783346

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 49, 50, 53, 54, 60, 63, 70, 75, 81, 84, 90, 98, 100, 105, 106, 108, 126, 135, 140, 147, 150, 159, 162, 175, 180, 189, 196, 210, 212, 225, 245, 252, 265, 270, 294, 300, 315, 318, 324, 350, 371, 378, 405, 420, 441, 450, 477, 490, 525, 530, 540, 567, 588, 630, 636, 675, 700, 735, 742, 756, 795, 810, 882, 900, 945, 954, 980, 1050, 1060, 1113, 1134, 1225, 1260, 1323, 1325, 1350, 1431, 1470, 1484, 1575, 1590, 1620, 1764, 1855, 1890, 1908, 2025, 2100, 2205, 2226, 2268, 2385, 2450, 2597, 2646, 2650, 2700, 2835, 2862, 2940, 3150, 3180, 3339, 3675, 3710, 3780, 3969, 3975, 4050, 4293, 4410, 4452, 4725, 4770, 4900, 5194, 5292, 5300, 5565, 5670, 5724, 6300, 6615, 6678, 7155, 7350, 7420, 7791, 7938, 7950, 8100, 8586, 8820, 9275, 9450, 9540, 10017, 10388, 11025, 11130, 11340, 11925, 12985, 13230, 13356, 14175, 14310, 14700, 15582, 15876, 15900, 16695, 17172, 18550, 18900, 19845, 20034, 21465, 22050, 22260, 23373, 23850, 25970, 26460, 27825, 28350, 28620, 30051, 31164, 33075, 33390, 35775, 37100, 38955, 39690, 40068, 42930, 44100, 46746, 47700, 50085, 51940, 55650, 56700, 60102, 64925, 66150, 66780, 70119, 71550, 77910, 79380, 83475, 85860, 93492, 99225, 100170, 107325, 111300, 116865, 120204, 129850, 132300, 140238, 143100, 150255, 155820, 166950, 194775, 198450, 200340, 210357, 214650, 233730, 250425, 259700, 280476, 300510, 333900, 350595, 389550, 396900, 420714, 429300, 467460, 500850, 584325, 601020, 701190, 751275, 779100, 841428, 1001700, 1051785, 1168650, 1402380, 1502550, 1752975, 2103570, 2337300, 3005100, 3505950, 4207140, 5258925, 7011900, 10517850, 21035700]

約数ペア:

[(1, 21035700), (2, 10517850), (3, 7011900), (4, 5258925), (5, 4207140), (6, 3505950), (7, 3005100), (9, 2337300), (10, 2103570), (12, 1752975), (14, 1502550), (15, 1402380), (18, 1168650), (20, 1051785), (21, 1001700), (25, 841428), (27, 779100), (28, 751275), (30, 701190), (35, 601020), (36, 584325), (42, 500850), (45, 467460), (49, 429300), (50, 420714), (53, 396900), (54, 389550), (60, 350595), (63, 333900), (70, 300510), (75, 280476), (81, 259700), (84, 250425), (90, 233730), (98, 214650), (100, 210357), (105, 200340), (106, 198450), (108, 194775), (126, 166950), (135, 155820), (140, 150255), (147, 143100), (150, 140238), (159, 132300), (162, 129850), (175, 120204), (180, 116865), (189, 111300), (196, 107325), (210, 100170), (212, 99225), (225, 93492), (245, 85860), (252, 83475), (265, 79380), (270, 77910), (294, 71550), (300, 70119), (315, 66780), (318, 66150), (324, 64925), (350, 60102), (371, 56700), (378, 55650), (405, 51940), (420, 50085), (441, 47700), (450, 46746), (477, 44100), (490, 42930), (525, 40068), (530, 39690), (540, 38955), (567, 37100), (588, 35775), (630, 33390), (636, 33075), (675, 31164), (700, 30051), (735, 28620), (742, 28350), (756, 27825), (795, 26460), (810, 25970), (882, 23850), (900, 23373), (945, 22260), (954, 22050), (980, 21465), (1050, 20034), (1060, 19845), (1113, 18900), (1134, 18550), (1225, 17172), (1260, 16695), (1323, 15900), (1325, 15876), (1350, 15582), (1431, 14700), (1470, 14310), (1484, 14175), (1575, 13356), (1590, 13230), (1620, 12985), (1764, 11925), (1855, 11340), (1890, 11130), (1908, 11025), (2025, 10388), (2100, 10017), (2205, 9540), (2226, 9450), (2268, 9275), (2385, 8820), (2450, 8586), (2597, 8100), (2646, 7950), (2650, 7938), (2700, 7791), (2835, 7420), (2862, 7350), (2940, 7155), (3150, 6678), (3180, 6615), (3339, 6300), (3675, 5724), (3710, 5670), (3780, 5565), (3969, 5300), (3975, 5292), (4050, 5194), (4293, 4900), (4410, 4770), (4452, 4725)]