21901695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{85889}}^1$

素因数の和:85914

約数の個数: 16

約数和(自身を含む): 37104480

約数和(自身を除く): 15202785

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 85889, 257667, 429445, 1288335, 1460113, 4380339, 7300565, 21901695]

約数ペア:

[(1, 21901695), (3, 7300565), (5, 4380339), (15, 1460113), (17, 1288335), (51, 429445), (85, 257667), (255, 85889)]