21901400

素因数分解:

$2^3\times 5^2\times {\mathrm{109507}}^1$

素因数の和:109523

約数の個数: 24

約数和(自身を含む): 50921220

約数和(自身を除く): 29019820

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 109507, 219014, 438028, 547535, 876056, 1095070, 2190140, 2737675, 4380280, 5475350, 10950700, 21901400]

約数ペア:

[(1, 21901400), (2, 10950700), (4, 5475350), (5, 4380280), (8, 2737675), (10, 2190140), (20, 1095070), (25, 876056), (40, 547535), (50, 438028), (100, 219014), (200, 109507)]