21740404

素因数分解:

$2^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1699}}^1$

素因数の和:2167

約数の個数: 24

約数和(自身を含む): 43601600

約数和(自身を除く): 21861196

約数列:

[1, 2, 4, 7, 14, 28, 457, 914, 1699, 1828, 3199, 3398, 6398, 6796, 11893, 12796, 23786, 47572, 776443, 1552886, 3105772, 5435101, 10870202, 21740404]

約数ペア:

[(1, 21740404), (2, 10870202), (4, 5435101), (7, 3105772), (14, 1552886), (28, 776443), (457, 47572), (914, 23786), (1699, 12796), (1828, 11893), (3199, 6796), (3398, 6398)]