21570420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11597}}^1$

素因数の和:11640

約数の個数: 48

約数和(自身を含む): 62350848

約数和(自身を除く): 40780428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11597, 23194, 34791, 46388, 57985, 69582, 115970, 139164, 173955, 231940, 347910, 359507, 695820, 719014, 1078521, 1438028, 1797535, 2157042, 3595070, 4314084, 5392605, 7190140, 10785210, 21570420]

約数ペア:

[(1, 21570420), (2, 10785210), (3, 7190140), (4, 5392605), (5, 4314084), (6, 3595070), (10, 2157042), (12, 1797535), (15, 1438028), (20, 1078521), (30, 719014), (31, 695820), (60, 359507), (62, 347910), (93, 231940), (124, 173955), (155, 139164), (186, 115970), (310, 69582), (372, 57985), (465, 46388), (620, 34791), (930, 23194), (1860, 11597)]