21410904

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20747}}^1$

素因数の和:20799

約数の個数: 32

約数和(自身を含む): 54774720

約数和(自身を除く): 33363816

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20747, 41494, 62241, 82988, 124482, 165976, 248964, 497928, 892121, 1784242, 2676363, 3568484, 5352726, 7136968, 10705452, 21410904]

約数ペア:

[(1, 21410904), (2, 10705452), (3, 7136968), (4, 5352726), (6, 3568484), (8, 2676363), (12, 1784242), (24, 892121), (43, 497928), (86, 248964), (129, 165976), (172, 124482), (258, 82988), (344, 62241), (516, 41494), (1032, 20747)]