21877218

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{110491}}^1$

素因数の和:110510

約数の個数: 24

約数和(自身を含む): 51710256

約数和(自身を除く): 29833038

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 110491, 220982, 331473, 662946, 994419, 1215401, 1988838, 2430802, 3646203, 7292406, 10938609, 21877218]

約数ペア:

[(1, 21877218), (2, 10938609), (3, 7292406), (6, 3646203), (9, 2430802), (11, 1988838), (18, 1215401), (22, 994419), (33, 662946), (66, 331473), (99, 220982), (198, 110491)]