21695640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{180797}}^1$

素因数の和:180811

約数の個数: 32

約数和(自身を含む): 65087280

約数和(自身を除く): 43391640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 180797, 361594, 542391, 723188, 903985, 1084782, 1446376, 1807970, 2169564, 2711955, 3615940, 4339128, 5423910, 7231880, 10847820, 21695640]

約数ペア:

[(1, 21695640), (2, 10847820), (3, 7231880), (4, 5423910), (5, 4339128), (6, 3615940), (8, 2711955), (10, 2169564), (12, 1807970), (15, 1446376), (20, 1084782), (24, 903985), (30, 723188), (40, 542391), (60, 361594), (120, 180797)]