21034695

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7499}}^1$

素因数の和:7535

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 17845305

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 7499, 22497, 37495, 82489, 112485, 127483, 247467, 382449, 412445, 637415, 1237335, 1402313, 1912245, 4206939, 7011565, 21034695]

約数ペア:

[(1, 21034695), (3, 7011565), (5, 4206939), (11, 1912245), (15, 1402313), (17, 1237335), (33, 637415), (51, 412445), (55, 382449), (85, 247467), (165, 127483), (187, 112485), (255, 82489), (561, 37495), (935, 22497), (2805, 7499)]