21527730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{34171}}^1$

素因数の和:34191

約数の個数: 48

約数和(自身を含む): 63969984

約数和(自身を除く): 42442254

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 34171, 68342, 102513, 170855, 205026, 239197, 307539, 341710, 478394, 512565, 615078, 717591, 1025130, 1195985, 1435182, 1537695, 2152773, 2391970, 3075390, 3587955, 4305546, 7175910, 10763865, 21527730]

約数ペア:

[(1, 21527730), (2, 10763865), (3, 7175910), (5, 4305546), (6, 3587955), (7, 3075390), (9, 2391970), (10, 2152773), (14, 1537695), (15, 1435182), (18, 1195985), (21, 1025130), (30, 717591), (35, 615078), (42, 512565), (45, 478394), (63, 341710), (70, 307539), (90, 239197), (105, 205026), (126, 170855), (210, 102513), (315, 68342), (630, 34171)]