21001674

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 43136064

約数和(自身を除く): 22134390

約数列:

[1, 2, 3, 6, 53, 106, 159, 211, 313, 318, 422, 626, 633, 939, 1266, 1878, 11183, 16589, 22366, 33178, 33549, 49767, 66043, 67098, 99534, 132086, 198129, 396258, 3500279, 7000558, 10500837, 21001674]

約数ペア:

[(1, 21001674), (2, 10500837), (3, 7000558), (6, 3500279), (53, 396258), (106, 198129), (159, 132086), (211, 99534), (313, 67098), (318, 66043), (422, 49767), (626, 33549), (633, 33178), (939, 22366), (1266, 16589), (1878, 11183)]