21790404

素因数分解:

$2^2\times 3^3\times {\mathrm{89}}^1\times {\mathrm{2267}}^1$

素因数の和:2369

約数の個数: 48

約数和(自身を含む): 57153600

約数和(自身を除く): 35363196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 89, 108, 178, 267, 356, 534, 801, 1068, 1602, 2267, 2403, 3204, 4534, 4806, 6801, 9068, 9612, 13602, 20403, 27204, 40806, 61209, 81612, 122418, 201763, 244836, 403526, 605289, 807052, 1210578, 1815867, 2421156, 3631734, 5447601, 7263468, 10895202, 21790404]

約数ペア:

[(1, 21790404), (2, 10895202), (3, 7263468), (4, 5447601), (6, 3631734), (9, 2421156), (12, 1815867), (18, 1210578), (27, 807052), (36, 605289), (54, 403526), (89, 244836), (108, 201763), (178, 122418), (267, 81612), (356, 61209), (534, 40806), (801, 27204), (1068, 20403), (1602, 13602), (2267, 9612), (2403, 9068), (3204, 6801), (4534, 4806)]