21817624

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{143537}}^1$

素因数の和:143562

約数の個数: 16

約数和(自身を含む): 43061400

約数和(自身を除く): 21243776

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 143537, 287074, 574148, 1148296, 2727203, 5454406, 10908812, 21817624]

約数ペア:

[(1, 21817624), (2, 10908812), (4, 5454406), (8, 2727203), (19, 1148296), (38, 574148), (76, 287074), (152, 143537)]