21381346

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11483}}^1$

素因数の和:11518

約数の個数: 24

約数和(自身を含む): 39275280

約数和(自身を除く): 17893934

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 11483, 22966, 80381, 160762, 218177, 436354, 562667, 1125334, 1527239, 3054478, 10690673, 21381346]

約数ペア:

[(1, 21381346), (2, 10690673), (7, 3054478), (14, 1527239), (19, 1125334), (38, 562667), (49, 436354), (98, 218177), (133, 160762), (266, 80381), (931, 22966), (1862, 11483)]