21740494

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1\times {\mathrm{647}}^1$

素因数の和:1019

約数の個数: 16

約数和(自身を含む): 33382368

約数和(自身を除く): 11641874

約数列:

[1, 2, 53, 106, 317, 634, 647, 1294, 16801, 33602, 34291, 68582, 205099, 410198, 10870247, 21740494]

約数ペア:

[(1, 21740494), (2, 10870247), (53, 410198), (106, 205099), (317, 68582), (634, 34291), (647, 33602), (1294, 16801)]