21802920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5861}}^1$

素因数の和:5906

約数の個数: 64

約数和(自身を含む): 67530240

約数和(自身を除く): 45727320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5861, 11722, 17583, 23444, 29305, 35166, 46888, 58610, 70332, 87915, 117220, 140664, 175830, 181691, 234440, 351660, 363382, 545073, 703320, 726764, 908455, 1090146, 1453528, 1816910, 2180292, 2725365, 3633820, 4360584, 5450730, 7267640, 10901460, 21802920]

約数ペア:

[(1, 21802920), (2, 10901460), (3, 7267640), (4, 5450730), (5, 4360584), (6, 3633820), (8, 2725365), (10, 2180292), (12, 1816910), (15, 1453528), (20, 1090146), (24, 908455), (30, 726764), (31, 703320), (40, 545073), (60, 363382), (62, 351660), (93, 234440), (120, 181691), (124, 175830), (155, 140664), (186, 117220), (248, 87915), (310, 70332), (372, 58610), (465, 46888), (620, 35166), (744, 29305), (930, 23444), (1240, 17583), (1860, 11722), (3720, 5861)]