21657648

素因数分解:

$2^4\times 3^1\times {\mathrm{451201}}^1$

素因数の和:451212

約数の個数: 20

約数和(自身を含む): 55949048

約数和(自身を除く): 34291400

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 451201, 902402, 1353603, 1804804, 2707206, 3609608, 5414412, 7219216, 10828824, 21657648]

約数ペア:

[(1, 21657648), (2, 10828824), (3, 7219216), (4, 5414412), (6, 3609608), (8, 2707206), (12, 1804804), (16, 1353603), (24, 902402), (48, 451201)]