21127190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7019}}^1$

素因数の和:7076

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 23351530

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 7019, 14038, 35095, 49133, 70190, 98266, 245665, 301817, 491330, 603634, 1509085, 2112719, 3018170, 4225438, 10563595, 21127190]

約数ペア:

[(1, 21127190), (2, 10563595), (5, 4225438), (7, 3018170), (10, 2112719), (14, 1509085), (35, 603634), (43, 491330), (70, 301817), (86, 245665), (215, 98266), (301, 70190), (430, 49133), (602, 35095), (1505, 14038), (3010, 7019)]