21820398

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{691}}^1$

素因数の和:992

約数の個数: 32

約数和(自身を含む): 46170240

約数和(自身を除く): 24349842

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 277, 554, 691, 831, 1382, 1662, 2073, 4146, 5263, 10526, 13129, 15789, 26258, 31578, 39387, 78774, 191407, 382814, 574221, 1148442, 3636733, 7273466, 10910199, 21820398]

約数ペア:

[(1, 21820398), (2, 10910199), (3, 7273466), (6, 3636733), (19, 1148442), (38, 574221), (57, 382814), (114, 191407), (277, 78774), (554, 39387), (691, 31578), (831, 26258), (1382, 15789), (1662, 13129), (2073, 10526), (4146, 5263)]