21486710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{306953}}^1$

素因数の和:306967

約数の個数: 16

約数和(自身を含む): 44201376

約数和(自身を除く): 22714666

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 306953, 613906, 1534765, 2148671, 3069530, 4297342, 10743355, 21486710]

約数ペア:

[(1, 21486710), (2, 10743355), (5, 4297342), (7, 3069530), (10, 2148671), (14, 1534765), (35, 613906), (70, 306953)]