21044438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{11783}}^1$

素因数の和:11851

約数の個数: 16

約数和(自身を含む): 33937920

約数和(自身を除く): 12893482

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 11783, 23566, 223877, 447754, 553801, 1107602, 10522219, 21044438]

約数ペア:

[(1, 21044438), (2, 10522219), (19, 1107602), (38, 553801), (47, 447754), (94, 223877), (893, 23566), (1786, 11783)]