21856528

素因数分解:

$2^4\times {\mathrm{727}}^1\times {\mathrm{1879}}^1$

素因数の和:2614

約数の個数: 20

約数和(自身を含む): 42427840

約数和(自身を除く): 20571312

約数列:

[1, 2, 4, 8, 16, 727, 1454, 1879, 2908, 3758, 5816, 7516, 11632, 15032, 30064, 1366033, 2732066, 5464132, 10928264, 21856528]

約数ペア:

[(1, 21856528), (2, 10928264), (4, 5464132), (8, 2732066), (16, 1366033), (727, 30064), (1454, 15032), (1879, 11632), (2908, 7516), (3758, 5816)]