21089703

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{5531}}^1$

素因数の和:5606

約数の個数: 16

約数和(自身を含む): 29740032

約数和(自身を除く): 8650329

約数列:

[1, 3, 31, 41, 93, 123, 1271, 3813, 5531, 16593, 171461, 226771, 514383, 680313, 7029901, 21089703]

約数ペア:

[(1, 21089703), (3, 7029901), (31, 680313), (41, 514383), (93, 226771), (123, 171461), (1271, 16593), (3813, 5531)]