21105088

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7669}}^1$

素因数の和:7724

約数の個数: 28

約数和(自身を含む): 42859960

約数和(自身を除く): 21754872

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7669, 15338, 30676, 61352, 122704, 245408, 329767, 490816, 659534, 1319068, 2638136, 5276272, 10552544, 21105088]

約数ペア:

[(1, 21105088), (2, 10552544), (4, 5276272), (8, 2638136), (16, 1319068), (32, 659534), (43, 490816), (64, 329767), (86, 245408), (172, 122704), (344, 61352), (688, 30676), (1376, 15338), (2752, 7669)]