21841506

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{28219}}^1$

素因数の和:28270

約数の個数: 24

約数和(自身を含む): 48425520

約数和(自身を除く): 26584014

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 28219, 56438, 84657, 169314, 253971, 507942, 1213417, 2426834, 3640251, 7280502, 10920753, 21841506]

約数ペア:

[(1, 21841506), (2, 10920753), (3, 7280502), (6, 3640251), (9, 2426834), (18, 1213417), (43, 507942), (86, 253971), (129, 169314), (258, 84657), (387, 56438), (774, 28219)]