21216666

素因数分解:

$2^1\times 3^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 43319808

約数和(自身を除く): 22103142

約数列:

[1, 2, 3, 6, 101, 157, 202, 223, 303, 314, 446, 471, 606, 669, 942, 1338, 15857, 22523, 31714, 35011, 45046, 47571, 67569, 70022, 95142, 105033, 135138, 210066, 3536111, 7072222, 10608333, 21216666]

約数ペア:

[(1, 21216666), (2, 10608333), (3, 7072222), (6, 3536111), (101, 210066), (157, 135138), (202, 105033), (223, 95142), (303, 70022), (314, 67569), (446, 47571), (471, 45046), (606, 35011), (669, 31714), (942, 22523), (1338, 15857)]