21129094

素因数分解:

$2^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{1447}}^1$

素因数の和:1612

約数の個数: 24

約数和(自身を含む): 37141200

約数和(自身を除く): 16012106

約数列:

[1, 2, 7, 14, 49, 98, 149, 298, 1043, 1447, 2086, 2894, 7301, 10129, 14602, 20258, 70903, 141806, 215603, 431206, 1509221, 3018442, 10564547, 21129094]

約数ペア:

[(1, 21129094), (2, 10564547), (7, 3018442), (14, 1509221), (49, 431206), (98, 215603), (149, 141806), (298, 70903), (1043, 20258), (1447, 14602), (2086, 10129), (2894, 7301)]