21968200

素因数分解:

$2^3\times 5^2\times {\mathrm{109841}}^1$

素因数の和:109857

約数の個数: 24

約数和(自身を含む): 51076530

約数和(自身を除く): 29108330

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 109841, 219682, 439364, 549205, 878728, 1098410, 2196820, 2746025, 4393640, 5492050, 10984100, 21968200]

約数ペア:

[(1, 21968200), (2, 10984100), (4, 5492050), (5, 4393640), (8, 2746025), (10, 2196820), (20, 1098410), (25, 878728), (40, 549205), (50, 439364), (100, 219682), (200, 109841)]