21544688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{751}}^1$

素因数の和:933

約数の個数: 40

約数和(自身を含む): 45878016

約数和(自身を除く): 24333328

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 163, 176, 326, 652, 751, 1304, 1502, 1793, 2608, 3004, 3586, 6008, 7172, 8261, 12016, 14344, 16522, 28688, 33044, 66088, 122413, 132176, 244826, 489652, 979304, 1346543, 1958608, 2693086, 5386172, 10772344, 21544688]

約数ペア:

[(1, 21544688), (2, 10772344), (4, 5386172), (8, 2693086), (11, 1958608), (16, 1346543), (22, 979304), (44, 489652), (88, 244826), (163, 132176), (176, 122413), (326, 66088), (652, 33044), (751, 28688), (1304, 16522), (1502, 14344), (1793, 12016), (2608, 8261), (3004, 7172), (3586, 6008)]