21276690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41719}}^1$

素因数の和:41746

約数の個数: 32

約数和(自身を含む): 54069120

約数和(自身を除く): 32792430

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 41719, 83438, 125157, 208595, 250314, 417190, 625785, 709223, 1251570, 1418446, 2127669, 3546115, 4255338, 7092230, 10638345, 21276690]

約数ペア:

[(1, 21276690), (2, 10638345), (3, 7092230), (5, 4255338), (6, 3546115), (10, 2127669), (15, 1418446), (17, 1251570), (30, 709223), (34, 625785), (51, 417190), (85, 250314), (102, 208595), (170, 125157), (255, 83438), (510, 41719)]