21785868

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 62092800

約数和(自身を除く): 40306932

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 59, 78, 108, 117, 118, 156, 177, 234, 236, 263, 351, 354, 468, 526, 531, 702, 708, 767, 789, 1052, 1062, 1404, 1534, 1578, 1593, 2124, 2301, 2367, 3068, 3156, 3186, 3419, 4602, 4734, 6372, 6838, 6903, 7101, 9204, 9468, 10257, 13676, 13806, 14202, 15517, 20514, 20709, 27612, 28404, 30771, 31034, 41028, 41418, 46551, 61542, 62068, 82836, 92313, 93102, 123084, 139653, 184626, 186204, 201721, 279306, 369252, 403442, 418959, 558612, 605163, 806884, 837918, 1210326, 1675836, 1815489, 2420652, 3630978, 5446467, 7261956, 10892934, 21785868]

約数ペア:

[(1, 21785868), (2, 10892934), (3, 7261956), (4, 5446467), (6, 3630978), (9, 2420652), (12, 1815489), (13, 1675836), (18, 1210326), (26, 837918), (27, 806884), (36, 605163), (39, 558612), (52, 418959), (54, 403442), (59, 369252), (78, 279306), (108, 201721), (117, 186204), (118, 184626), (156, 139653), (177, 123084), (234, 93102), (236, 92313), (263, 82836), (351, 62068), (354, 61542), (468, 46551), (526, 41418), (531, 41028), (702, 31034), (708, 30771), (767, 28404), (789, 27612), (1052, 20709), (1062, 20514), (1404, 15517), (1534, 14202), (1578, 13806), (1593, 13676), (2124, 10257), (2301, 9468), (2367, 9204), (3068, 7101), (3156, 6903), (3186, 6838), (3419, 6372), (4602, 4734)]