21267772

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{863}}^1$

素因数の和:1029

約数の個数: 24

約数和(自身を含む): 38247552

約数和(自身を除く): 16979780

約数列:

[1, 2, 4, 61, 101, 122, 202, 244, 404, 863, 1726, 3452, 6161, 12322, 24644, 52643, 87163, 105286, 174326, 210572, 348652, 5316943, 10633886, 21267772]

約数ペア:

[(1, 21267772), (2, 10633886), (4, 5316943), (61, 348652), (101, 210572), (122, 174326), (202, 105286), (244, 87163), (404, 52643), (863, 24644), (1726, 12322), (3452, 6161)]