21739350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{3917}}^1$

素因数の和:3969

約数の個数: 48

約数和(自身を含む): 55384848

約数和(自身を除く): 33645498

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 74, 75, 111, 150, 185, 222, 370, 555, 925, 1110, 1850, 2775, 3917, 5550, 7834, 11751, 19585, 23502, 39170, 58755, 97925, 117510, 144929, 195850, 289858, 293775, 434787, 587550, 724645, 869574, 1449290, 2173935, 3623225, 4347870, 7246450, 10869675, 21739350]

約数ペア:

[(1, 21739350), (2, 10869675), (3, 7246450), (5, 4347870), (6, 3623225), (10, 2173935), (15, 1449290), (25, 869574), (30, 724645), (37, 587550), (50, 434787), (74, 293775), (75, 289858), (111, 195850), (150, 144929), (185, 117510), (222, 97925), (370, 58755), (555, 39170), (925, 23502), (1110, 19585), (1850, 11751), (2775, 7834), (3917, 5550)]