21839540

素因数分解:

$2^2\times 5^1\times {\mathrm{599}}^1\times {\mathrm{1823}}^1$

素因数の和:2431

約数の個数: 24

約数和(自身を含む): 45964800

約数和(自身を除く): 24125260

約数列:

[1, 2, 4, 5, 10, 20, 599, 1198, 1823, 2396, 2995, 3646, 5990, 7292, 9115, 11980, 18230, 36460, 1091977, 2183954, 4367908, 5459885, 10919770, 21839540]

約数ペア:

[(1, 21839540), (2, 10919770), (4, 5459885), (5, 4367908), (10, 2183954), (20, 1091977), (599, 36460), (1198, 18230), (1823, 11980), (2396, 9115), (2995, 7292), (3646, 5990)]