21616612

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 38917760

約数和(自身を除く): 17301148

約数列:

[1, 2, 4, 67, 79, 134, 158, 268, 316, 1021, 2042, 4084, 5293, 10586, 21172, 68407, 80659, 136814, 161318, 273628, 322636, 5404153, 10808306, 21616612]

約数ペア:

[(1, 21616612), (2, 10808306), (4, 5404153), (67, 322636), (79, 273628), (134, 161318), (158, 136814), (268, 80659), (316, 68407), (1021, 21172), (2042, 10586), (4084, 5293)]