21997695

素因数分解:

$3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{3209}}^1$

素因数の和:3674

約数の個数: 16

約数和(自身を含む): 35284320

約数和(自身を除く): 13286625

約数列:

[1, 3, 5, 15, 457, 1371, 2285, 3209, 6855, 9627, 16045, 48135, 1466513, 4399539, 7332565, 21997695]

約数ペア:

[(1, 21997695), (3, 7332565), (5, 4399539), (15, 1466513), (457, 48135), (1371, 16045), (2285, 9627), (3209, 6855)]