21873296

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{8387}}^1$

素因数の和:8558

約数の個数: 20

約数和(自身を含む): 42644592

約数和(自身を除く): 20771296

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 8387, 16774, 33548, 67096, 134192, 1367081, 2734162, 5468324, 10936648, 21873296]

約数ペア:

[(1, 21873296), (2, 10936648), (4, 5468324), (8, 2734162), (16, 1367081), (163, 134192), (326, 67096), (652, 33548), (1304, 16774), (2608, 8387)]