21328566

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2837}}^1$

素因数の和:3028

約数の個数: 32

約数和(自身を含む): 49040640

約数和(自身を除く): 27712074

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 179, 358, 537, 1074, 1253, 2506, 2837, 3759, 5674, 7518, 8511, 17022, 19859, 39718, 59577, 119154, 507823, 1015646, 1523469, 3046938, 3554761, 7109522, 10664283, 21328566]

約数ペア:

[(1, 21328566), (2, 10664283), (3, 7109522), (6, 3554761), (7, 3046938), (14, 1523469), (21, 1015646), (42, 507823), (179, 119154), (358, 59577), (537, 39718), (1074, 19859), (1253, 17022), (2506, 8511), (2837, 7518), (3759, 5674)]