21264586

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1901}}^1$

素因数の和:1974

約数の個数: 32

約数和(自身を含む): 39439872

約数和(自身を除く): 18175286

約数列:

[1, 2, 7, 14, 17, 34, 47, 94, 119, 238, 329, 658, 799, 1598, 1901, 3802, 5593, 11186, 13307, 26614, 32317, 64634, 89347, 178694, 226219, 452438, 625429, 1250858, 1518899, 3037798, 10632293, 21264586]

約数ペア:

[(1, 21264586), (2, 10632293), (7, 3037798), (14, 1518899), (17, 1250858), (34, 625429), (47, 452438), (94, 226219), (119, 178694), (238, 89347), (329, 64634), (658, 32317), (799, 26614), (1598, 13307), (1901, 11186), (3802, 5593)]