21578544

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{11527}}^1$

素因数の和:11554

約数の個数: 60

約数和(自身を含む): 65040976

約数和(自身を除く): 43462432

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, 11527, 23054, 34581, 46108, 69162, 92216, 103743, 138324, 149851, 184432, 207486, 276648, 299702, 414972, 449553, 553296, 599404, 829944, 899106, 1198808, 1348659, 1659888, 1798212, 2397616, 2697318, 3596424, 5394636, 7192848, 10789272, 21578544]

約数ペア:

[(1, 21578544), (2, 10789272), (3, 7192848), (4, 5394636), (6, 3596424), (8, 2697318), (9, 2397616), (12, 1798212), (13, 1659888), (16, 1348659), (18, 1198808), (24, 899106), (26, 829944), (36, 599404), (39, 553296), (48, 449553), (52, 414972), (72, 299702), (78, 276648), (104, 207486), (117, 184432), (144, 149851), (156, 138324), (208, 103743), (234, 92216), (312, 69162), (468, 46108), (624, 34581), (936, 23054), (1872, 11527)]