21583156

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{4729}}^1$

素因数の和:4903

約数の個数: 24

約数和(自身を含む): 43440320

約数和(自身を除く): 21857164

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4564, 4729, 9458, 18916, 33103, 66206, 132412, 770827, 1541654, 3083308, 5395789, 10791578, 21583156]

約数ペア:

[(1, 21583156), (2, 10791578), (4, 5395789), (7, 3083308), (14, 1541654), (28, 770827), (163, 132412), (326, 66206), (652, 33103), (1141, 18916), (2282, 9458), (4564, 4729)]