21021602

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 37666944

約数和(自身を除く): 16645342

約数列:

[1, 2, 7, 14, 41, 53, 82, 106, 287, 371, 574, 691, 742, 1382, 2173, 4346, 4837, 9674, 15211, 28331, 30422, 36623, 56662, 73246, 198317, 256361, 396634, 512722, 1501543, 3003086, 10510801, 21021602]

約数ペア:

[(1, 21021602), (2, 10510801), (7, 3003086), (14, 1501543), (41, 512722), (53, 396634), (82, 256361), (106, 198317), (287, 73246), (371, 56662), (574, 36623), (691, 30422), (742, 28331), (1382, 15211), (2173, 9674), (4346, 4837)]