21049714

素因数分解:

$2^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{619}}^1$

素因数の和:982

約数の個数: 24

約数和(自身を含む): 36894960

約数和(自身を除く): 15845246

約数列:

[1, 2, 7, 14, 49, 98, 347, 619, 694, 1238, 2429, 4333, 4858, 8666, 17003, 30331, 34006, 60662, 214793, 429586, 1503551, 3007102, 10524857, 21049714]

約数ペア:

[(1, 21049714), (2, 10524857), (7, 3007102), (14, 1503551), (49, 429586), (98, 214793), (347, 60662), (619, 34006), (694, 30331), (1238, 17003), (2429, 8666), (4333, 4858)]