21615060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11621}}^1$

素因数の和:11664

約数の個数: 48

約数和(自身を含む): 62479872

約数和(自身を除く): 40864812

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, 11621, 23242, 34863, 46484, 58105, 69726, 116210, 139452, 174315, 232420, 348630, 360251, 697260, 720502, 1080753, 1441004, 1801255, 2161506, 3602510, 4323012, 5403765, 7205020, 10807530, 21615060]

約数ペア:

[(1, 21615060), (2, 10807530), (3, 7205020), (4, 5403765), (5, 4323012), (6, 3602510), (10, 2161506), (12, 1801255), (15, 1441004), (20, 1080753), (30, 720502), (31, 697260), (60, 360251), (62, 348630), (93, 232420), (124, 174315), (155, 139452), (186, 116210), (310, 69726), (372, 58105), (465, 46484), (620, 34863), (930, 23242), (1860, 11621)]