21808908

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{55073}}^1$

素因数の和:55094

約数の個数: 36

約数和(自身を含む): 60140808

約数和(自身を除く): 38331900

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 55073, 110146, 165219, 220292, 330438, 495657, 605803, 660876, 991314, 1211606, 1817409, 1982628, 2423212, 3634818, 5452227, 7269636, 10904454, 21808908]

約数ペア:

[(1, 21808908), (2, 10904454), (3, 7269636), (4, 5452227), (6, 3634818), (9, 2423212), (11, 1982628), (12, 1817409), (18, 1211606), (22, 991314), (33, 660876), (36, 605803), (44, 495657), (66, 330438), (99, 220292), (132, 165219), (198, 110146), (396, 55073)]