21101392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101449}}^1$

素因数の和:101470

約数の個数: 20

約数和(自身を含む): 44029300

約数和(自身を除く): 22927908

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 101449, 202898, 405796, 811592, 1318837, 1623184, 2637674, 5275348, 10550696, 21101392]

約数ペア:

[(1, 21101392), (2, 10550696), (4, 5275348), (8, 2637674), (13, 1623184), (16, 1318837), (26, 811592), (52, 405796), (104, 202898), (208, 101449)]