21111734

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 16385866

約数列:

[1, 2, 7, 14, 59, 61, 118, 122, 413, 419, 427, 826, 838, 854, 2933, 3599, 5866, 7198, 24721, 25193, 25559, 49442, 50386, 51118, 173047, 178913, 346094, 357826, 1507981, 3015962, 10555867, 21111734]

約数ペア:

[(1, 21111734), (2, 10555867), (7, 3015962), (14, 1507981), (59, 357826), (61, 346094), (118, 178913), (122, 173047), (413, 51118), (419, 50386), (427, 49442), (826, 25559), (838, 25193), (854, 24721), (2933, 7198), (3599, 5866)]