21962896

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{13327}}^1$

素因数の和:13438

約数の個数: 20

約数和(自身を含む): 42969472

約数和(自身を除く): 21006576

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 13327, 26654, 53308, 106616, 213232, 1372681, 2745362, 5490724, 10981448, 21962896]

約数ペア:

[(1, 21962896), (2, 10981448), (4, 5490724), (8, 2745362), (16, 1372681), (103, 213232), (206, 106616), (412, 53308), (824, 26654), (1648, 13327)]