21106072

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 43678440

約数和(自身を除く): 22572368

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 169, 233, 268, 338, 466, 536, 676, 871, 932, 1352, 1742, 1864, 3029, 3484, 6058, 6968, 11323, 12116, 15611, 22646, 24232, 31222, 39377, 45292, 62444, 78754, 90584, 124888, 157508, 202943, 315016, 405886, 811772, 1623544, 2638259, 5276518, 10553036, 21106072]

約数ペア:

[(1, 21106072), (2, 10553036), (4, 5276518), (8, 2638259), (13, 1623544), (26, 811772), (52, 405886), (67, 315016), (104, 202943), (134, 157508), (169, 124888), (233, 90584), (268, 78754), (338, 62444), (466, 45292), (536, 39377), (676, 31222), (871, 24232), (932, 22646), (1352, 15611), (1742, 12116), (1864, 11323), (3029, 6968), (3484, 6058)]