21891198

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{14087}}^1$

素因数の和:14136

約数の個数: 32

約数和(自身を含む): 51393024

約数和(自身を除く): 29501826

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 14087, 28174, 42261, 84522, 98609, 197218, 295827, 521219, 591654, 1042438, 1563657, 3127314, 3648533, 7297066, 10945599, 21891198]

約数ペア:

[(1, 21891198), (2, 10945599), (3, 7297066), (6, 3648533), (7, 3127314), (14, 1563657), (21, 1042438), (37, 591654), (42, 521219), (74, 295827), (111, 197218), (222, 98609), (259, 84522), (518, 42261), (777, 28174), (1554, 14087)]