21811935

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3719}}^1$

素因数の和:3767

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 16757025

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 3719, 5865, 11157, 18595, 55785, 63223, 85537, 189669, 256611, 316115, 427685, 948345, 1283055, 1454129, 4362387, 7270645, 21811935]

約数ペア:

[(1, 21811935), (3, 7270645), (5, 4362387), (15, 1454129), (17, 1283055), (23, 948345), (51, 427685), (69, 316115), (85, 256611), (115, 189669), (255, 85537), (345, 63223), (391, 55785), (1173, 18595), (1955, 11157), (3719, 5865)]