21617118

素因数分解:

$2^1\times 3^4\times {\mathrm{133439}}^1$

素因数の和:133453

約数の個数: 20

約数和(自身を含む): 48438720

約数和(自身を除く): 26821602

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 133439, 266878, 400317, 800634, 1200951, 2401902, 3602853, 7205706, 10808559, 21617118]

約数ペア:

[(1, 21617118), (2, 10808559), (3, 7205706), (6, 3602853), (9, 2401902), (18, 1200951), (27, 800634), (54, 400317), (81, 266878), (162, 133439)]