21513282

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26959}}^1$

素因数の和:26990

約数の個数: 32

約数和(自身を含む): 51763200

約数和(自身を除く): 30249918

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26959, 53918, 80877, 161754, 188713, 377426, 512221, 566139, 1024442, 1132278, 1536663, 3073326, 3585547, 7171094, 10756641, 21513282]

約数ペア:

[(1, 21513282), (2, 10756641), (3, 7171094), (6, 3585547), (7, 3073326), (14, 1536663), (19, 1132278), (21, 1024442), (38, 566139), (42, 512221), (57, 377426), (114, 188713), (133, 161754), (266, 80877), (399, 53918), (798, 26959)]