21466000

素因数分解:

$2^4\times 5^3\times {\mathrm{10733}}^1$

素因数の和:10756

約数の個数: 40

約数和(自身を含む): 51909624

約数和(自身を除く): 30443624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 10733, 21466, 42932, 53665, 85864, 107330, 171728, 214660, 268325, 429320, 536650, 858640, 1073300, 1341625, 2146600, 2683250, 4293200, 5366500, 10733000, 21466000]

約数ペア:

[(1, 21466000), (2, 10733000), (4, 5366500), (5, 4293200), (8, 2683250), (10, 2146600), (16, 1341625), (20, 1073300), (25, 858640), (40, 536650), (50, 429320), (80, 268325), (100, 214660), (125, 171728), (200, 107330), (250, 85864), (400, 53665), (500, 42932), (1000, 21466), (2000, 10733)]