21160468

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12809}}^1$

素因数の和:12879

約数の個数: 24

約数和(自身を含む): 43041600

約数和(自身を除く): 21881132

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12809, 25618, 51236, 89663, 179326, 358652, 755731, 1511462, 3022924, 5290117, 10580234, 21160468]

約数ペア:

[(1, 21160468), (2, 10580234), (4, 5290117), (7, 3022924), (14, 1511462), (28, 755731), (59, 358652), (118, 179326), (236, 89663), (413, 51236), (826, 25618), (1652, 12809)]