21332070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{563}}^1$

素因数の和:997

約数の個数: 48

約数和(自身を含む): 55693872

約数和(自身を除く): 34361802

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 421, 563, 842, 1126, 1263, 1689, 2105, 2526, 2815, 3378, 3789, 4210, 5067, 5630, 6315, 7578, 8445, 10134, 12630, 16890, 18945, 25335, 37890, 50670, 237023, 474046, 711069, 1185115, 1422138, 2133207, 2370230, 3555345, 4266414, 7110690, 10666035, 21332070]

約数ペア:

[(1, 21332070), (2, 10666035), (3, 7110690), (5, 4266414), (6, 3555345), (9, 2370230), (10, 2133207), (15, 1422138), (18, 1185115), (30, 711069), (45, 474046), (90, 237023), (421, 50670), (563, 37890), (842, 25335), (1126, 18945), (1263, 16890), (1689, 12630), (2105, 10134), (2526, 8445), (2815, 7578), (3378, 6315), (3789, 5630), (4210, 5067)]