21518172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{45979}}^1$

素因数の和:46002

約数の個数: 36

約数和(自身を含む): 58578520

約数和(自身を除く): 37060348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 45979, 91958, 137937, 183916, 275874, 413811, 551748, 597727, 827622, 1195454, 1655244, 1793181, 2390908, 3586362, 5379543, 7172724, 10759086, 21518172]

約数ペア:

[(1, 21518172), (2, 10759086), (3, 7172724), (4, 5379543), (6, 3586362), (9, 2390908), (12, 1793181), (13, 1655244), (18, 1195454), (26, 827622), (36, 597727), (39, 551748), (52, 413811), (78, 275874), (117, 183916), (156, 137937), (234, 91958), (468, 45979)]