21706097

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1427}}^1$

素因数の和:1528

約数の個数: 16

約数和(自身を含む): 25909632

約数和(自身を除く): 4203535

約数列:

[1, 7, 41, 53, 287, 371, 1427, 2173, 9989, 15211, 58507, 75631, 409549, 529417, 3100871, 21706097]

約数ペア:

[(1, 21706097), (7, 3100871), (41, 529417), (53, 409549), (287, 75631), (371, 58507), (1427, 15211), (2173, 9989)]