21850893

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2411}}^1$

素因数の和:2489

約数の個数: 24

約数和(自身を含む): 33864480

約数和(自身を除く): 12013587

約数列:

[1, 3, 9, 19, 53, 57, 159, 171, 477, 1007, 2411, 3021, 7233, 9063, 21699, 45809, 127783, 137427, 383349, 412281, 1150047, 2427877, 7283631, 21850893]

約数ペア:

[(1, 21850893), (3, 7283631), (9, 2427877), (19, 1150047), (53, 412281), (57, 383349), (159, 137427), (171, 127783), (477, 45809), (1007, 21699), (2411, 9063), (3021, 7233)]