21000750154

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1\times {\mathrm{3329}}^1$

素因数の和:4054

約数の個数: 32

約数和(自身を含む): 32623024320

約数和(自身を除く): 11622274166

約数列:

[1, 2, 37, 74, 163, 326, 523, 1046, 3329, 6031, 6658, 12062, 19351, 38702, 85249, 123173, 170498, 246346, 542627, 1085254, 1741067, 3154213, 3482134, 6308426, 20077199, 40154398, 64419479, 128838958, 283793921, 567587842, 10500375077, 21000750154]

約数ペア:

[(1, 21000750154), (2, 10500375077), (37, 567587842), (74, 283793921), (163, 128838958), (326, 64419479), (523, 40154398), (1046, 20077199), (3329, 6308426), (6031, 3482134), (6658, 3154213), (12062, 1741067), (19351, 1085254), (38702, 542627), (85249, 246346), (123173, 170498)]