21857234

素因数分解:

$2^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{823}}^1$

素因数の和:1110

約数の個数: 24

約数和(自身を含む): 38325888

約数和(自身を除く): 16468654

約数列:

[1, 2, 7, 14, 49, 98, 271, 542, 823, 1646, 1897, 3794, 5761, 11522, 13279, 26558, 40327, 80654, 223033, 446066, 1561231, 3122462, 10928617, 21857234]

約数ペア:

[(1, 21857234), (2, 10928617), (7, 3122462), (14, 1561231), (49, 446066), (98, 223033), (271, 80654), (542, 40327), (823, 26558), (1646, 13279), (1897, 11522), (3794, 5761)]