21184730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4517}}^1$

素因数の和:4598

約数の個数: 32

約数和(自身を含む): 44240256

約数和(自身を除く): 23055526

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4517, 4690, 9034, 22585, 31619, 45170, 63238, 158095, 302639, 316190, 605278, 1513195, 2118473, 3026390, 4236946, 10592365, 21184730]

約数ペア:

[(1, 21184730), (2, 10592365), (5, 4236946), (7, 3026390), (10, 2118473), (14, 1513195), (35, 605278), (67, 316190), (70, 302639), (134, 158095), (335, 63238), (469, 45170), (670, 31619), (938, 22585), (2345, 9034), (4517, 4690)]