21000906350

素因数分解:

$2^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{2781577}}^1$

素因数の和:2781740

約数の個数: 24

約数和(自身を含む): 39320386608

約数和(自身を除く): 18319480258

約数列:

[1, 2, 5, 10, 25, 50, 151, 302, 755, 1510, 3775, 7550, 2781577, 5563154, 13907885, 27815770, 69539425, 139078850, 420018127, 840036254, 2100090635, 4200181270, 10500453175, 21000906350]

約数ペア:

[(1, 21000906350), (2, 10500453175), (5, 4200181270), (10, 2100090635), (25, 840036254), (50, 420018127), (151, 139078850), (302, 69539425), (755, 27815770), (1510, 13907885), (3775, 5563154), (7550, 2781577)]