21446730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7687}}^1$

素因数の和:7731

約数の個数: 48

約数和(自身を含む): 57567744

約数和(自身を除く): 36121014

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7687, 15374, 23061, 38435, 46122, 69183, 76870, 115305, 138366, 230610, 238297, 345915, 476594, 691830, 714891, 1191485, 1429782, 2144673, 2382970, 3574455, 4289346, 7148910, 10723365, 21446730]

約数ペア:

[(1, 21446730), (2, 10723365), (3, 7148910), (5, 4289346), (6, 3574455), (9, 2382970), (10, 2144673), (15, 1429782), (18, 1191485), (30, 714891), (31, 691830), (45, 476594), (62, 345915), (90, 238297), (93, 230610), (155, 138366), (186, 115305), (279, 76870), (310, 69183), (465, 46122), (558, 38435), (930, 23061), (1395, 15374), (2790, 7687)]