21444046

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 36973440

約数和(自身を除く): 15529394

約数列:

[1, 2, 13, 19, 26, 38, 83, 166, 247, 494, 523, 1046, 1079, 1577, 2158, 3154, 6799, 9937, 13598, 19874, 20501, 41002, 43409, 86818, 129181, 258362, 564317, 824771, 1128634, 1649542, 10722023, 21444046]

約数ペア:

[(1, 21444046), (2, 10722023), (13, 1649542), (19, 1128634), (26, 824771), (38, 564317), (83, 258362), (166, 129181), (247, 86818), (494, 43409), (523, 41002), (1046, 20501), (1079, 19874), (1577, 13598), (2158, 9937), (3154, 6799)]