21249916076

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{811}}^1\times {\mathrm{159769}}^1$

素因数の和:160625

約数の個数: 24

約数和(自身を含む): 38141572560

約数和(自身を除く): 16891656484

約数列:

[1, 2, 4, 41, 82, 164, 811, 1622, 3244, 33251, 66502, 133004, 159769, 319538, 639076, 6550529, 13101058, 26202116, 129572659, 259145318, 518290636, 5312479019, 10624958038, 21249916076]

約数ペア:

[(1, 21249916076), (2, 10624958038), (4, 5312479019), (41, 518290636), (82, 259145318), (164, 129572659), (811, 26202116), (1622, 13101058), (3244, 6550529), (33251, 639076), (66502, 319538), (133004, 159769)]