21353552

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121327}}^1$

素因数の和:121346

約数の個数: 20

約数和(自身を含む): 45134016

約数和(自身を除く): 23780464

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121327, 242654, 485308, 970616, 1334597, 1941232, 2669194, 5338388, 10676776, 21353552]

約数ペア:

[(1, 21353552), (2, 10676776), (4, 5338388), (8, 2669194), (11, 1941232), (16, 1334597), (22, 970616), (44, 485308), (88, 242654), (176, 121327)]