21167312

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1319}}^1$

素因数の和:1403

約数の個数: 40

約数和(自身を含む): 44193600

約数和(自身を除く): 23026288

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 118, 136, 236, 272, 472, 944, 1003, 1319, 2006, 2638, 4012, 5276, 8024, 10552, 16048, 21104, 22423, 44846, 77821, 89692, 155642, 179384, 311284, 358768, 622568, 1245136, 1322957, 2645914, 5291828, 10583656, 21167312]

約数ペア:

[(1, 21167312), (2, 10583656), (4, 5291828), (8, 2645914), (16, 1322957), (17, 1245136), (34, 622568), (59, 358768), (68, 311284), (118, 179384), (136, 155642), (236, 89692), (272, 77821), (472, 44846), (944, 22423), (1003, 21104), (1319, 16048), (2006, 10552), (2638, 8024), (4012, 5276)]