21241922

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 35852544

約数和(自身を除く): 14610622

約数列:

[1, 2, 13, 26, 37, 71, 74, 142, 311, 481, 622, 923, 962, 1846, 2627, 4043, 5254, 8086, 11507, 22081, 23014, 34151, 44162, 68302, 149591, 287053, 299182, 574106, 816997, 1633994, 10620961, 21241922]

約数ペア:

[(1, 21241922), (2, 10620961), (13, 1633994), (26, 816997), (37, 574106), (71, 299182), (74, 287053), (142, 149591), (311, 68302), (481, 44162), (622, 34151), (923, 23014), (962, 22081), (1846, 11507), (2627, 8086), (4043, 5254)]