21339802

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{809}}^1$

素因数の和:942

約数の個数: 24

約数和(自身を含む): 35550900

約数和(自身を除く): 14211098

約数列:

[1, 2, 11, 22, 109, 121, 218, 242, 809, 1199, 1618, 2398, 8899, 13189, 17798, 26378, 88181, 97889, 176362, 195778, 969991, 1939982, 10669901, 21339802]

約数ペア:

[(1, 21339802), (2, 10669901), (11, 1939982), (22, 969991), (109, 195778), (121, 176362), (218, 97889), (242, 88181), (809, 26378), (1199, 17798), (1618, 13189), (2398, 8899)]