2021063900

素因数分解:

$2^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{101561}}^1$

素因数の和:101774

約数の個数: 36

約数和(自身を含む): 4407790800

約数和(自身を除く): 2386726900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 398, 796, 995, 1990, 3980, 4975, 9950, 19900, 101561, 203122, 406244, 507805, 1015610, 2031220, 2539025, 5078050, 10156100, 20210639, 40421278, 80842556, 101053195, 202106390, 404212780, 505265975, 1010531950, 2021063900]

約数ペア:

[(1, 2021063900), (2, 1010531950), (4, 505265975), (5, 404212780), (10, 202106390), (20, 101053195), (25, 80842556), (50, 40421278), (100, 20210639), (199, 10156100), (398, 5078050), (796, 2539025), (995, 2031220), (1990, 1015610), (3980, 507805), (4975, 406244), (9950, 203122), (19900, 101561)]