21042288

素因数分解:

$2^4\times 3^3\times {\mathrm{67}}^1\times {\mathrm{727}}^1$

素因数の和:811

約数の個数: 80

約数和(自身を含む): 61384960

約数和(自身を除く): 40342672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 67, 72, 108, 134, 144, 201, 216, 268, 402, 432, 536, 603, 727, 804, 1072, 1206, 1454, 1608, 1809, 2181, 2412, 2908, 3216, 3618, 4362, 4824, 5816, 6543, 7236, 8724, 9648, 11632, 13086, 14472, 17448, 19629, 26172, 28944, 34896, 39258, 48709, 52344, 78516, 97418, 104688, 146127, 157032, 194836, 292254, 314064, 389672, 438381, 584508, 779344, 876762, 1169016, 1315143, 1753524, 2338032, 2630286, 3507048, 5260572, 7014096, 10521144, 21042288]

約数ペア:

[(1, 21042288), (2, 10521144), (3, 7014096), (4, 5260572), (6, 3507048), (8, 2630286), (9, 2338032), (12, 1753524), (16, 1315143), (18, 1169016), (24, 876762), (27, 779344), (36, 584508), (48, 438381), (54, 389672), (67, 314064), (72, 292254), (108, 194836), (134, 157032), (144, 146127), (201, 104688), (216, 97418), (268, 78516), (402, 52344), (432, 48709), (536, 39258), (603, 34896), (727, 28944), (804, 26172), (1072, 19629), (1206, 17448), (1454, 14472), (1608, 13086), (1809, 11632), (2181, 9648), (2412, 8724), (2908, 7236), (3216, 6543), (3618, 5816), (4362, 4824)]