21511524

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:984

約数の個数: 48

約数和(自身を含む): 52512768

約数和(自身を除く): 31001244

約数列:

[1, 2, 3, 4, 6, 12, 43, 47, 86, 94, 129, 141, 172, 188, 258, 282, 516, 564, 887, 1774, 2021, 2661, 3548, 4042, 5322, 6063, 8084, 10644, 12126, 24252, 38141, 41689, 76282, 83378, 114423, 125067, 152564, 166756, 228846, 250134, 457692, 500268, 1792627, 3585254, 5377881, 7170508, 10755762, 21511524]

約数ペア:

[(1, 21511524), (2, 10755762), (3, 7170508), (4, 5377881), (6, 3585254), (12, 1792627), (43, 500268), (47, 457692), (86, 250134), (94, 228846), (129, 166756), (141, 152564), (172, 125067), (188, 114423), (258, 83378), (282, 76282), (516, 41689), (564, 38141), (887, 24252), (1774, 12126), (2021, 10644), (2661, 8084), (3548, 6063), (4042, 5322)]