21354684

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136889}}^1$

素因数の和:136909

約数の個数: 24

約数和(自身を含む): 53660880

約数和(自身を除く): 32306196

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136889, 273778, 410667, 547556, 821334, 1642668, 1779557, 3559114, 5338671, 7118228, 10677342, 21354684]

約数ペア:

[(1, 21354684), (2, 10677342), (3, 7118228), (4, 5338671), (6, 3559114), (12, 1779557), (13, 1642668), (26, 821334), (39, 547556), (52, 410667), (78, 273778), (156, 136889)]