21274108

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 38095232

約数和(自身を除く): 16821124

約数列:

[1, 2, 4, 67, 134, 163, 268, 326, 487, 652, 974, 1948, 10921, 21842, 32629, 43684, 65258, 79381, 130516, 158762, 317524, 5318527, 10637054, 21274108]

約数ペア:

[(1, 21274108), (2, 10637054), (4, 5318527), (67, 317524), (134, 158762), (163, 130516), (268, 79381), (326, 65258), (487, 43684), (652, 32629), (974, 21842), (1948, 10921)]