21102372

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1$

素因数の和:126

約数の個数: 108

約数和(自身を含む): 59921316

約数和(自身を除く): 38818944

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 29, 34, 36, 41, 51, 58, 68, 82, 87, 102, 116, 123, 153, 164, 174, 204, 246, 261, 306, 348, 369, 492, 493, 522, 612, 697, 738, 841, 986, 1044, 1189, 1394, 1476, 1479, 1682, 1972, 2091, 2378, 2523, 2788, 2958, 3364, 3567, 4182, 4437, 4756, 5046, 5916, 6273, 7134, 7569, 8364, 8874, 10092, 10701, 12546, 14268, 14297, 15138, 17748, 20213, 21402, 25092, 28594, 30276, 34481, 40426, 42804, 42891, 57188, 60639, 68962, 80852, 85782, 103443, 121278, 128673, 137924, 171564, 181917, 206886, 242556, 257346, 310329, 363834, 413772, 514692, 586177, 620658, 727668, 1172354, 1241316, 1758531, 2344708, 3517062, 5275593, 7034124, 10551186, 21102372]

約数ペア:

[(1, 21102372), (2, 10551186), (3, 7034124), (4, 5275593), (6, 3517062), (9, 2344708), (12, 1758531), (17, 1241316), (18, 1172354), (29, 727668), (34, 620658), (36, 586177), (41, 514692), (51, 413772), (58, 363834), (68, 310329), (82, 257346), (87, 242556), (102, 206886), (116, 181917), (123, 171564), (153, 137924), (164, 128673), (174, 121278), (204, 103443), (246, 85782), (261, 80852), (306, 68962), (348, 60639), (369, 57188), (492, 42891), (493, 42804), (522, 40426), (612, 34481), (697, 30276), (738, 28594), (841, 25092), (986, 21402), (1044, 20213), (1189, 17748), (1394, 15138), (1476, 14297), (1479, 14268), (1682, 12546), (1972, 10701), (2091, 10092), (2378, 8874), (2523, 8364), (2788, 7569), (2958, 7134), (3364, 6273), (3567, 5916), (4182, 5046), (4437, 4756)]