21695951997

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{1553}}^1\times {\mathrm{41953}}^1$

素因数の和:43549

約数の個数: 24

約数和(自身を含む): 32207078904

約数和(自身を除く): 10511126907

約数列:

[1, 3, 9, 37, 111, 333, 1553, 4659, 13977, 41953, 57461, 125859, 172383, 377577, 517149, 1552261, 4656783, 13970349, 65153009, 195459027, 586377081, 2410661333, 7231983999, 21695951997]

約数ペア:

[(1, 21695951997), (3, 7231983999), (9, 2410661333), (37, 586377081), (111, 195459027), (333, 65153009), (1553, 13970349), (4659, 4656783), (13977, 1552261), (41953, 517149), (57461, 377577), (125859, 172383)]