21619628

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{547}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 38989104

約数和(自身を除く): 17369476

約数列:

[1, 2, 4, 41, 82, 164, 241, 482, 547, 964, 1094, 2188, 9881, 19762, 22427, 39524, 44854, 89708, 131827, 263654, 527308, 5404907, 10809814, 21619628]

約数ペア:

[(1, 21619628), (2, 10809814), (4, 5404907), (41, 527308), (82, 263654), (164, 131827), (241, 89708), (482, 44854), (547, 39524), (964, 22427), (1094, 19762), (2188, 9881)]