21870294578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{14001469}}^1$

素因数の和:14001553

約数の個数: 16

約数和(自身を含む): 36291810240

約数和(自身を除く): 14421515662

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 14001469, 28002938, 154016159, 308032318, 994104299, 1988208598, 10935147289, 21870294578]

約数ペア:

[(1, 21870294578), (2, 10935147289), (11, 1988208598), (22, 994104299), (71, 308032318), (142, 154016159), (781, 28002938), (1562, 14001469)]