21076664

素因数分解:

$2^3\times 7^3\times {\mathrm{7681}}^1$

素因数の和:7708

約数の個数: 32

約数和(自身を含む): 46092000

約数和(自身を除く): 25015336

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7681, 15362, 30724, 53767, 61448, 107534, 215068, 376369, 430136, 752738, 1505476, 2634583, 3010952, 5269166, 10538332, 21076664]

約数ペア:

[(1, 21076664), (2, 10538332), (4, 5269166), (7, 3010952), (8, 2634583), (14, 1505476), (28, 752738), (49, 430136), (56, 376369), (98, 215068), (196, 107534), (343, 61448), (392, 53767), (686, 30724), (1372, 15362), (2744, 7681)]