21410336

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 44126208

約数和(自身を除く): 22715872

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 113, 124, 191, 226, 248, 382, 452, 496, 764, 904, 992, 1528, 1808, 3056, 3503, 3616, 5921, 6112, 7006, 11842, 14012, 21583, 23684, 28024, 43166, 47368, 56048, 86332, 94736, 112096, 172664, 189472, 345328, 669073, 690656, 1338146, 2676292, 5352584, 10705168, 21410336]

約数ペア:

[(1, 21410336), (2, 10705168), (4, 5352584), (8, 2676292), (16, 1338146), (31, 690656), (32, 669073), (62, 345328), (113, 189472), (124, 172664), (191, 112096), (226, 94736), (248, 86332), (382, 56048), (452, 47368), (496, 43166), (764, 28024), (904, 23684), (992, 21583), (1528, 14012), (1808, 11842), (3056, 7006), (3503, 6112), (3616, 5921)]