21561314

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^2\times {\mathrm{163}}^1$

素因数の和:302

約数の個数: 24

約数和(自身を含む): 34843440

約数和(自身を除く): 13282126

約数列:

[1, 2, 19, 38, 59, 118, 163, 326, 1121, 2242, 3097, 3481, 6194, 6962, 9617, 19234, 66139, 132278, 182723, 365446, 567403, 1134806, 10780657, 21561314]

約数ペア:

[(1, 21561314), (2, 10780657), (19, 1134806), (38, 567403), (59, 365446), (118, 182723), (163, 132278), (326, 66139), (1121, 19234), (2242, 9617), (3097, 6962), (3481, 6194)]