21725238

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 44446176

約数和(自身を除く): 22720938

約数列:

[1, 2, 3, 6, 73, 146, 193, 219, 257, 386, 438, 514, 579, 771, 1158, 1542, 14089, 18761, 28178, 37522, 42267, 49601, 56283, 84534, 99202, 112566, 148803, 297606, 3620873, 7241746, 10862619, 21725238]

約数ペア:

[(1, 21725238), (2, 10862619), (3, 7241746), (6, 3620873), (73, 297606), (146, 148803), (193, 112566), (219, 99202), (257, 84534), (386, 56283), (438, 49601), (514, 42267), (579, 37522), (771, 28178), (1158, 18761), (1542, 14089)]