21701836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{6229}}^1$

素因数の和:6313

約数の個数: 24

約数和(自身を含む): 41516720

約数和(自身を除く): 19814884

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 6229, 12458, 24916, 80977, 161954, 323908, 417343, 834686, 1669372, 5425459, 10850918, 21701836]

約数ペア:

[(1, 21701836), (2, 10850918), (4, 5425459), (13, 1669372), (26, 834686), (52, 417343), (67, 323908), (134, 161954), (268, 80977), (871, 24916), (1742, 12458), (3484, 6229)]