21706893

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61843}}^1$

素因数の和:61865

約数の個数: 16

約数和(自身を含む): 34632640

約数和(自身を除く): 12925747

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 61843, 185529, 556587, 803959, 1669761, 2411877, 7235631, 21706893]

約数ペア:

[(1, 21706893), (3, 7235631), (9, 2411877), (13, 1669761), (27, 803959), (39, 556587), (117, 185529), (351, 61843)]