21595910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5821}}^1$

素因数の和:5888

約数の個数: 32

約数和(自身を含む): 45271872

約数和(自身を除く): 23675962

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 5821, 11642, 29105, 40747, 58210, 81494, 203735, 308513, 407470, 617026, 1542565, 2159591, 3085130, 4319182, 10797955, 21595910]

約数ペア:

[(1, 21595910), (2, 10797955), (5, 4319182), (7, 3085130), (10, 2159591), (14, 1542565), (35, 617026), (53, 407470), (70, 308513), (106, 203735), (265, 81494), (371, 58210), (530, 40747), (742, 29105), (1855, 11642), (3710, 5821)]