21805524

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:227

約数の個数: 120

約数和(自身を含む): 63748608

約数和(自身を除く): 41943084

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 54, 62, 78, 81, 93, 108, 117, 124, 156, 162, 167, 186, 234, 279, 324, 334, 351, 372, 403, 468, 501, 558, 668, 702, 806, 837, 1002, 1053, 1116, 1209, 1404, 1503, 1612, 1674, 2004, 2106, 2171, 2418, 2511, 3006, 3348, 3627, 4212, 4342, 4509, 4836, 5022, 5177, 6012, 6513, 7254, 8684, 9018, 10044, 10354, 10881, 13026, 13527, 14508, 15531, 18036, 19539, 20708, 21762, 26052, 27054, 31062, 32643, 39078, 43524, 46593, 54108, 58617, 62124, 65286, 67301, 78156, 93186, 117234, 130572, 134602, 139779, 175851, 186372, 201903, 234468, 269204, 279558, 351702, 403806, 419337, 559116, 605709, 703404, 807612, 838674, 1211418, 1677348, 1817127, 2422836, 3634254, 5451381, 7268508, 10902762, 21805524]

約数ペア:

[(1, 21805524), (2, 10902762), (3, 7268508), (4, 5451381), (6, 3634254), (9, 2422836), (12, 1817127), (13, 1677348), (18, 1211418), (26, 838674), (27, 807612), (31, 703404), (36, 605709), (39, 559116), (52, 419337), (54, 403806), (62, 351702), (78, 279558), (81, 269204), (93, 234468), (108, 201903), (117, 186372), (124, 175851), (156, 139779), (162, 134602), (167, 130572), (186, 117234), (234, 93186), (279, 78156), (324, 67301), (334, 65286), (351, 62124), (372, 58617), (403, 54108), (468, 46593), (501, 43524), (558, 39078), (668, 32643), (702, 31062), (806, 27054), (837, 26052), (1002, 21762), (1053, 20708), (1116, 19539), (1209, 18036), (1404, 15531), (1503, 14508), (1612, 13527), (1674, 13026), (2004, 10881), (2106, 10354), (2171, 10044), (2418, 9018), (2511, 8684), (3006, 7254), (3348, 6513), (3627, 6012), (4212, 5177), (4342, 5022), (4509, 4836)]