21994242

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 45374208

約数和(自身を除く): 23379966

約数列:

[1, 2, 3, 6, 43, 86, 129, 163, 258, 326, 489, 523, 978, 1046, 1569, 3138, 7009, 14018, 21027, 22489, 42054, 44978, 67467, 85249, 134934, 170498, 255747, 511494, 3665707, 7331414, 10997121, 21994242]

約数ペア:

[(1, 21994242), (2, 10997121), (3, 7331414), (6, 3665707), (43, 511494), (86, 255747), (129, 170498), (163, 134934), (258, 85249), (326, 67467), (489, 44978), (523, 42054), (978, 22489), (1046, 21027), (1569, 14018), (3138, 7009)]