21341528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12071}}^1$

素因数の和:12107

約数の個数: 32

約数和(自身を含む): 45632160

約数和(自身を除く): 24290632

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 12071, 24142, 48284, 96568, 156923, 205207, 313846, 410414, 627692, 820828, 1255384, 1641656, 2667691, 5335382, 10670764, 21341528]

約数ペア:

[(1, 21341528), (2, 10670764), (4, 5335382), (8, 2667691), (13, 1641656), (17, 1255384), (26, 820828), (34, 627692), (52, 410414), (68, 313846), (104, 205207), (136, 156923), (221, 96568), (442, 48284), (884, 24142), (1768, 12071)]