21476488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2239}}^1$

素因数の和:2365

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 22875512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 2239, 2398, 4478, 4796, 8956, 9592, 17912, 24629, 49258, 98516, 197032, 244051, 488102, 976204, 1952408, 2684561, 5369122, 10738244, 21476488]

約数ペア:

[(1, 21476488), (2, 10738244), (4, 5369122), (8, 2684561), (11, 1952408), (22, 976204), (44, 488102), (88, 244051), (109, 197032), (218, 98516), (436, 49258), (872, 24629), (1199, 17912), (2239, 9592), (2398, 8956), (4478, 4796)]