21291244806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{50671}}^1\times {\mathrm{5387}}^1$

素因数の和:56076

約数の個数: 32

約数和(自身を含む): 45867483648

約数和(自身を除く): 24576238842

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 5387, 10774, 16161, 32322, 50671, 70031, 101342, 140062, 152013, 210093, 304026, 420186, 658723, 1317446, 1976169, 3952338, 272964677, 545929354, 818894031, 1637788062, 3548540801, 7097081602, 10645622403, 21291244806]

約数ペア:

[(1, 21291244806), (2, 10645622403), (3, 7097081602), (6, 3548540801), (13, 1637788062), (26, 818894031), (39, 545929354), (78, 272964677), (5387, 3952338), (10774, 1976169), (16161, 1317446), (32322, 658723), (50671, 420186), (70031, 304026), (101342, 210093), (140062, 152013)]