21854066

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 38737440

約数和(自身を除く): 16883374

約数列:

[1, 2, 13, 19, 26, 38, 41, 82, 83, 166, 169, 247, 338, 494, 533, 779, 1066, 1079, 1558, 1577, 2158, 3154, 3211, 3403, 6422, 6806, 6929, 10127, 13858, 14027, 20254, 20501, 28054, 41002, 44239, 64657, 88478, 129314, 131651, 263302, 266513, 533026, 575107, 840541, 1150214, 1681082, 10927033, 21854066]

約数ペア:

[(1, 21854066), (2, 10927033), (13, 1681082), (19, 1150214), (26, 840541), (38, 575107), (41, 533026), (82, 266513), (83, 263302), (166, 131651), (169, 129314), (247, 88478), (338, 64657), (494, 44239), (533, 41002), (779, 28054), (1066, 20501), (1079, 20254), (1558, 14027), (1577, 13858), (2158, 10127), (3154, 6929), (3211, 6806), (3403, 6422)]