21917835

素因数分解:

$3^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{853}}^1$

素因数の和:1435

約数の個数: 24

約数和(自身を含む): 38102064

約数和(自身を除く): 16184229

約数列:

[1, 3, 5, 9, 15, 45, 571, 853, 1713, 2559, 2855, 4265, 5139, 7677, 8565, 12795, 25695, 38385, 487063, 1461189, 2435315, 4383567, 7305945, 21917835]

約数ペア:

[(1, 21917835), (3, 7305945), (5, 4383567), (9, 2435315), (15, 1461189), (45, 487063), (571, 38385), (853, 25695), (1713, 12795), (2559, 8565), (2855, 7677), (4265, 5139)]