21000770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6977}}^1$

素因数の和:7034

約数の個数: 32

約数和(自身を含む): 44212608

約数和(自身を除く): 23211838

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 6977, 13954, 34885, 48839, 69770, 97678, 244195, 300011, 488390, 600022, 1500055, 2100077, 3000110, 4200154, 10500385, 21000770]

約数ペア:

[(1, 21000770), (2, 10500385), (5, 4200154), (7, 3000110), (10, 2100077), (14, 1500055), (35, 600022), (43, 488390), (70, 300011), (86, 244195), (215, 97678), (301, 69770), (430, 48839), (602, 34885), (1505, 13954), (3010, 6977)]