21031670090

素因数分解:

$2^1\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1753}}^1\times {\mathrm{2131}}^1$

素因数の和:4454

約数の個数: 32

約数和(自身を含む): 37963688256

約数和(自身を除く): 16932018166

約数列:

[1, 2, 5, 10, 563, 1126, 1753, 2131, 2815, 3506, 4262, 5630, 8765, 10655, 17530, 21310, 986939, 1199753, 1973878, 2399506, 3735643, 4934695, 5998765, 7471286, 9869390, 11997530, 18678215, 37356430, 2103167009, 4206334018, 10515835045, 21031670090]

約数ペア:

[(1, 21031670090), (2, 10515835045), (5, 4206334018), (10, 2103167009), (563, 37356430), (1126, 18678215), (1753, 11997530), (2131, 9869390), (2815, 7471286), (3506, 5998765), (4262, 4934695), (5630, 3735643), (8765, 2399506), (10655, 1973878), (17530, 1199753), (21310, 986939)]