21670054

素因数分解:

$2^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 39168000

約数和(自身を除く): 17497946

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 343, 434, 686, 1019, 1519, 2038, 3038, 7133, 10633, 14266, 21266, 31589, 49931, 63178, 99862, 221123, 349517, 442246, 699034, 1547861, 3095722, 10835027, 21670054]

約数ペア:

[(1, 21670054), (2, 10835027), (7, 3095722), (14, 1547861), (31, 699034), (49, 442246), (62, 349517), (98, 221123), (217, 99862), (343, 63178), (434, 49931), (686, 31589), (1019, 21266), (1519, 14266), (2038, 10633), (3038, 7133)]