21777244

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 39060000

約数和(自身を除く): 17282756

約数列:

[1, 2, 4, 61, 122, 149, 244, 298, 596, 599, 1198, 2396, 9089, 18178, 36356, 36539, 73078, 89251, 146156, 178502, 357004, 5444311, 10888622, 21777244]

約数ペア:

[(1, 21777244), (2, 10888622), (4, 5444311), (61, 357004), (122, 178502), (149, 146156), (244, 89251), (298, 73078), (596, 36539), (599, 36356), (1198, 18178), (2396, 9089)]