21927568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2243}}^1$

素因数の和:2311

約数の個数: 40

約数和(自身を含む): 46747008

約数和(自身を除く): 24819440

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2243, 2444, 4486, 4888, 8972, 9776, 17944, 29159, 35888, 58318, 105421, 116636, 210842, 233272, 421684, 466544, 843368, 1370473, 1686736, 2740946, 5481892, 10963784, 21927568]

約数ペア:

[(1, 21927568), (2, 10963784), (4, 5481892), (8, 2740946), (13, 1686736), (16, 1370473), (26, 843368), (47, 466544), (52, 421684), (94, 233272), (104, 210842), (188, 116636), (208, 105421), (376, 58318), (611, 35888), (752, 29159), (1222, 17944), (2243, 9776), (2444, 8972), (4486, 4888)]