21796980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12527}}^1$

素因数の和:12568

約数の個数: 48

約数和(自身を含む): 63141120

約数和(自身を除く): 41344140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 12527, 25054, 37581, 50108, 62635, 75162, 125270, 150324, 187905, 250540, 363283, 375810, 726566, 751620, 1089849, 1453132, 1816415, 2179698, 3632830, 4359396, 5449245, 7265660, 10898490, 21796980]

約数ペア:

[(1, 21796980), (2, 10898490), (3, 7265660), (4, 5449245), (5, 4359396), (6, 3632830), (10, 2179698), (12, 1816415), (15, 1453132), (20, 1089849), (29, 751620), (30, 726566), (58, 375810), (60, 363283), (87, 250540), (116, 187905), (145, 150324), (174, 125270), (290, 75162), (348, 62635), (435, 50108), (580, 37581), (870, 25054), (1740, 12527)]