21000512730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{4751}}^1\times {\mathrm{147341}}^1$

素因数の和:152102

約数の個数: 32

約数和(自身を含む): 50412181248

約数和(自身を除く): 29411668518

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 4751, 9502, 14253, 23755, 28506, 47510, 71265, 142530, 147341, 294682, 442023, 736705, 884046, 1473410, 2210115, 4420230, 700017091, 1400034182, 2100051273, 3500085455, 4200102546, 7000170910, 10500256365, 21000512730]

約数ペア:

[(1, 21000512730), (2, 10500256365), (3, 7000170910), (5, 4200102546), (6, 3500085455), (10, 2100051273), (15, 1400034182), (30, 700017091), (4751, 4420230), (9502, 2210115), (14253, 1473410), (23755, 884046), (28506, 736705), (47510, 442023), (71265, 294682), (142530, 147341)]