21905954

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 38676096

約数和(自身を除く): 16770142

約数列:

[1, 2, 7, 14, 61, 113, 122, 226, 227, 427, 454, 791, 854, 1582, 1589, 3178, 6893, 13786, 13847, 25651, 27694, 48251, 51302, 96502, 96929, 179557, 193858, 359114, 1564711, 3129422, 10952977, 21905954]

約数ペア:

[(1, 21905954), (2, 10952977), (7, 3129422), (14, 1564711), (61, 359114), (113, 193858), (122, 179557), (226, 96929), (227, 96502), (427, 51302), (454, 48251), (791, 27694), (854, 25651), (1582, 13847), (1589, 13786), (3178, 6893)]