21711270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{103387}}^1$

素因数の和:103404

約数の個数: 32

約数和(自身を含む): 59551488

約数和(自身を除く): 37840218

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 103387, 206774, 310161, 516935, 620322, 723709, 1033870, 1447418, 1550805, 2171127, 3101610, 3618545, 4342254, 7237090, 10855635, 21711270]

約数ペア:

[(1, 21711270), (2, 10855635), (3, 7237090), (5, 4342254), (6, 3618545), (7, 3101610), (10, 2171127), (14, 1550805), (15, 1447418), (21, 1033870), (30, 723709), (35, 620322), (42, 516935), (70, 310161), (105, 206774), (210, 103387)]