21006098140

素因数分解:

$2^2\times 5^1\times {\mathrm{21727}}^1\times {\mathrm{48341}}^1$

素因数の和:70077

約数の個数: 24

約数和(自身を含む): 44115748992

約数和(自身を除く): 23109650852

約数列:

[1, 2, 4, 5, 10, 20, 21727, 43454, 48341, 86908, 96682, 108635, 193364, 217270, 241705, 434540, 483410, 966820, 1050304907, 2100609814, 4201219628, 5251524535, 10503049070, 21006098140]

約数ペア:

[(1, 21006098140), (2, 10503049070), (4, 5251524535), (5, 4201219628), (10, 2100609814), (20, 1050304907), (21727, 966820), (43454, 483410), (48341, 434540), (86908, 241705), (96682, 217270), (108635, 193364)]