21105916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13093}}^1$

素因数の和:13141

約数の個数: 24

約数和(自身を含む): 41062784

約数和(自身を除く): 19956868

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 13093, 26186, 52372, 170209, 340418, 405883, 680836, 811766, 1623532, 5276479, 10552958, 21105916]

約数ペア:

[(1, 21105916), (2, 10552958), (4, 5276479), (13, 1623532), (26, 811766), (31, 680836), (52, 405883), (62, 340418), (124, 170209), (403, 52372), (806, 26186), (1612, 13093)]