21032280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1579}}^1$

素因数の和:1633

約数の個数: 96

約数和(自身を含む): 70246800

約数和(自身を除く): 49214520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 444, 555, 666, 740, 888, 1110, 1332, 1480, 1579, 1665, 2220, 2664, 3158, 3330, 4440, 4737, 6316, 6660, 7895, 9474, 12632, 13320, 14211, 15790, 18948, 23685, 28422, 31580, 37896, 47370, 56844, 58423, 63160, 71055, 94740, 113688, 116846, 142110, 175269, 189480, 233692, 284220, 292115, 350538, 467384, 525807, 568440, 584230, 701076, 876345, 1051614, 1168460, 1402152, 1752690, 2103228, 2336920, 2629035, 3505380, 4206456, 5258070, 7010760, 10516140, 21032280]

約数ペア:

[(1, 21032280), (2, 10516140), (3, 7010760), (4, 5258070), (5, 4206456), (6, 3505380), (8, 2629035), (9, 2336920), (10, 2103228), (12, 1752690), (15, 1402152), (18, 1168460), (20, 1051614), (24, 876345), (30, 701076), (36, 584230), (37, 568440), (40, 525807), (45, 467384), (60, 350538), (72, 292115), (74, 284220), (90, 233692), (111, 189480), (120, 175269), (148, 142110), (180, 116846), (185, 113688), (222, 94740), (296, 71055), (333, 63160), (360, 58423), (370, 56844), (444, 47370), (555, 37896), (666, 31580), (740, 28422), (888, 23685), (1110, 18948), (1332, 15790), (1480, 14211), (1579, 13320), (1665, 12632), (2220, 9474), (2664, 7895), (3158, 6660), (3330, 6316), (4440, 4737)]