21131656

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29027}}^1$

素因数の和:29053

約数の個数: 32

約数和(自身を含む): 48767040

約数和(自身を除く): 27635384

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29027, 58054, 116108, 203189, 232216, 377351, 406378, 754702, 812756, 1509404, 1625512, 2641457, 3018808, 5282914, 10565828, 21131656]

約数ペア:

[(1, 21131656), (2, 10565828), (4, 5282914), (7, 3018808), (8, 2641457), (13, 1625512), (14, 1509404), (26, 812756), (28, 754702), (52, 406378), (56, 377351), (91, 232216), (104, 203189), (182, 116108), (364, 58054), (728, 29027)]