21357688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8369}}^1$

素因数の和:8415

約数の個数: 32

約数和(自身を含む): 45198000

約数和(自身を除く): 23840312

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 232, 319, 638, 1276, 2552, 8369, 16738, 33476, 66952, 92059, 184118, 242701, 368236, 485402, 736472, 970804, 1941608, 2669711, 5339422, 10678844, 21357688]

約数ペア:

[(1, 21357688), (2, 10678844), (4, 5339422), (8, 2669711), (11, 1941608), (22, 970804), (29, 736472), (44, 485402), (58, 368236), (88, 242701), (116, 184118), (232, 92059), (319, 66952), (638, 33476), (1276, 16738), (2552, 8369)]