2109221785

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{151579}}^1$

素因数の和:151629

約数の個数: 24

約数和(自身を含む): 2903060160

約数和(自身を除く): 793838375

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 1265, 2783, 13915, 151579, 757895, 1667369, 3486317, 8336845, 17431585, 18341059, 38349487, 91705295, 191747435, 421844357, 2109221785]

約数ペア:

[(1, 2109221785), (5, 421844357), (11, 191747435), (23, 91705295), (55, 38349487), (115, 18341059), (121, 17431585), (253, 8336845), (605, 3486317), (1265, 1667369), (2783, 757895), (13915, 151579)]