21441776

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{28513}}^1$

素因数の和:28568

約数の個数: 20

約数和(自身を含む): 42428832

約数和(自身を除く): 20987056

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 28513, 57026, 114052, 228104, 456208, 1340111, 2680222, 5360444, 10720888, 21441776]

約数ペア:

[(1, 21441776), (2, 10720888), (4, 5360444), (8, 2680222), (16, 1340111), (47, 456208), (94, 228104), (188, 114052), (376, 57026), (752, 28513)]