21565530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{34231}}^1$

素因数の和:34251

約数の個数: 48

約数和(自身を含む): 64082304

約数和(自身を除く): 42516774

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 34231, 68462, 102693, 171155, 205386, 239617, 308079, 342310, 479234, 513465, 616158, 718851, 1026930, 1198085, 1437702, 1540395, 2156553, 2396170, 3080790, 3594255, 4313106, 7188510, 10782765, 21565530]

約数ペア:

[(1, 21565530), (2, 10782765), (3, 7188510), (5, 4313106), (6, 3594255), (7, 3080790), (9, 2396170), (10, 2156553), (14, 1540395), (15, 1437702), (18, 1198085), (21, 1026930), (30, 718851), (35, 616158), (42, 513465), (45, 479234), (63, 342310), (70, 308079), (90, 239617), (105, 205386), (126, 171155), (210, 102693), (315, 68462), (630, 34231)]