21311850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20297}}^1$

素因数の和:20319

約数の個数: 48

約数和(自身を含む): 60406848

約数和(自身を除く): 39094998

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 20297, 40594, 60891, 101485, 121782, 142079, 202970, 284158, 304455, 426237, 507425, 608910, 710395, 852474, 1014850, 1420790, 1522275, 2131185, 3044550, 3551975, 4262370, 7103950, 10655925, 21311850]

約数ペア:

[(1, 21311850), (2, 10655925), (3, 7103950), (5, 4262370), (6, 3551975), (7, 3044550), (10, 2131185), (14, 1522275), (15, 1420790), (21, 1014850), (25, 852474), (30, 710395), (35, 608910), (42, 507425), (50, 426237), (70, 304455), (75, 284158), (105, 202970), (150, 142079), (175, 121782), (210, 101485), (350, 60891), (525, 40594), (1050, 20297)]