21495838

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1423}}^1$

素因数の和:1528

約数の個数: 32

約数和(自身を含む): 40190976

約数和(自身を除く): 18695138

約数列:

[1, 2, 7, 13, 14, 26, 83, 91, 166, 182, 581, 1079, 1162, 1423, 2158, 2846, 7553, 9961, 15106, 18499, 19922, 36998, 118109, 129493, 236218, 258986, 826763, 1535417, 1653526, 3070834, 10747919, 21495838]

約数ペア:

[(1, 21495838), (2, 10747919), (7, 3070834), (13, 1653526), (14, 1535417), (26, 826763), (83, 258986), (91, 236218), (166, 129493), (182, 118109), (581, 36998), (1079, 19922), (1162, 18499), (1423, 15106), (2158, 9961), (2846, 7553)]