21227276

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6709}}^1$

素因数の和:6833

約数の個数: 24

約数和(自身を含む): 42836640

約数和(自身を除く): 21609364

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6709, 13418, 26836, 46963, 93926, 187852, 758117, 1516234, 3032468, 5306819, 10613638, 21227276]

約数ペア:

[(1, 21227276), (2, 10613638), (4, 5306819), (7, 3032468), (14, 1516234), (28, 758117), (113, 187852), (226, 93926), (452, 46963), (791, 26836), (1582, 13418), (3164, 6709)]