21118624

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38821}}^1$

素因数の和:38848

約数の個数: 24

約数和(自身を含む): 44024148

約数和(自身を除く): 22905524

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38821, 77642, 155284, 310568, 621136, 659957, 1242272, 1319914, 2639828, 5279656, 10559312, 21118624]

約数ペア:

[(1, 21118624), (2, 10559312), (4, 5279656), (8, 2639828), (16, 1319914), (17, 1242272), (32, 659957), (34, 621136), (68, 310568), (136, 155284), (272, 77642), (544, 38821)]