21677384

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{419}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 20658616

約数列:

[1, 2, 4, 8, 29, 58, 116, 223, 232, 419, 446, 838, 892, 1676, 1784, 3352, 6467, 12151, 12934, 24302, 25868, 48604, 51736, 93437, 97208, 186874, 373748, 747496, 2709673, 5419346, 10838692, 21677384]

約数ペア:

[(1, 21677384), (2, 10838692), (4, 5419346), (8, 2709673), (29, 747496), (58, 373748), (116, 186874), (223, 97208), (232, 93437), (419, 51736), (446, 48604), (838, 25868), (892, 24302), (1676, 12934), (1784, 12151), (3352, 6467)]