21715890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{103409}}^1$

素因数の和:103426

約数の個数: 32

約数和(自身を含む): 59564160

約数和(自身を除く): 37848270

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 103409, 206818, 310227, 517045, 620454, 723863, 1034090, 1447726, 1551135, 2171589, 3102270, 3619315, 4343178, 7238630, 10857945, 21715890]

約数ペア:

[(1, 21715890), (2, 10857945), (3, 7238630), (5, 4343178), (6, 3619315), (7, 3102270), (10, 2171589), (14, 1551135), (15, 1447726), (21, 1034090), (30, 723863), (35, 620454), (42, 517045), (70, 310227), (105, 206818), (210, 103409)]