21421296

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{11443}}^1$

素因数の和:11470

約数の個数: 60

約数和(自身を含む): 64567048

約数和(自身を除く): 43145752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 11443, 22886, 34329, 45772, 68658, 91544, 102987, 137316, 148759, 183088, 205974, 274632, 297518, 411948, 446277, 549264, 595036, 823896, 892554, 1190072, 1338831, 1647792, 1785108, 2380144, 2677662, 3570216, 5355324, 7140432, 10710648, 21421296]

約数ペア:

[(1, 21421296), (2, 10710648), (3, 7140432), (4, 5355324), (6, 3570216), (8, 2677662), (9, 2380144), (12, 1785108), (13, 1647792), (16, 1338831), (18, 1190072), (24, 892554), (26, 823896), (36, 595036), (39, 549264), (48, 446277), (52, 411948), (72, 297518), (78, 274632), (104, 205974), (117, 183088), (144, 148759), (156, 137316), (208, 102987), (234, 91544), (312, 68658), (468, 45772), (624, 34329), (936, 22886), (1872, 11443)]