21706000

素因数分解:

$2^4\times 5^3\times {\mathrm{10853}}^1$

素因数の和:10876

約数の個数: 40

約数和(自身を含む): 52489944

約数和(自身を除く): 30783944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 10853, 21706, 43412, 54265, 86824, 108530, 173648, 217060, 271325, 434120, 542650, 868240, 1085300, 1356625, 2170600, 2713250, 4341200, 5426500, 10853000, 21706000]

約数ペア:

[(1, 21706000), (2, 10853000), (4, 5426500), (5, 4341200), (8, 2713250), (10, 2170600), (16, 1356625), (20, 1085300), (25, 868240), (40, 542650), (50, 434120), (80, 271325), (100, 217060), (125, 173648), (200, 108530), (250, 86824), (400, 54265), (500, 43412), (1000, 21706), (2000, 10853)]