21245310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{4001}}^1$

素因数の和:4073

約数の個数: 48

約数和(自身を含む): 56188080

約数和(自身を除く): 34942770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 59, 90, 118, 177, 295, 354, 531, 590, 885, 1062, 1770, 2655, 4001, 5310, 8002, 12003, 20005, 24006, 36009, 40010, 60015, 72018, 120030, 180045, 236059, 360090, 472118, 708177, 1180295, 1416354, 2124531, 2360590, 3540885, 4249062, 7081770, 10622655, 21245310]

約数ペア:

[(1, 21245310), (2, 10622655), (3, 7081770), (5, 4249062), (6, 3540885), (9, 2360590), (10, 2124531), (15, 1416354), (18, 1180295), (30, 708177), (45, 472118), (59, 360090), (90, 236059), (118, 180045), (177, 120030), (295, 72018), (354, 60015), (531, 40010), (590, 36009), (885, 24006), (1062, 20005), (1770, 12003), (2655, 8002), (4001, 5310)]