21872746

素因数分解:

$2^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{1609}}^1$

素因数の和:2589

約数の個数: 16

約数和(自身を含む): 37558080

約数和(自身を除く): 15685334

約数列:

[1, 2, 7, 14, 971, 1609, 1942, 3218, 6797, 11263, 13594, 22526, 1562339, 3124678, 10936373, 21872746]

約数ペア:

[(1, 21872746), (2, 10936373), (7, 3124678), (14, 1562339), (971, 22526), (1609, 13594), (1942, 11263), (3218, 6797)]