21502224

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:333

約数の個数: 120

約数和(自身を含む): 65769600

約数和(自身を除く): 44267376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 29, 36, 38, 48, 57, 58, 72, 76, 87, 114, 116, 144, 152, 171, 174, 228, 232, 261, 271, 304, 342, 348, 456, 464, 522, 542, 551, 684, 696, 813, 912, 1044, 1084, 1102, 1368, 1392, 1626, 1653, 2088, 2168, 2204, 2439, 2736, 3252, 3306, 4176, 4336, 4408, 4878, 4959, 5149, 6504, 6612, 7859, 8816, 9756, 9918, 10298, 13008, 13224, 15447, 15718, 19512, 19836, 20596, 23577, 26448, 30894, 31436, 39024, 39672, 41192, 46341, 47154, 61788, 62872, 70731, 79344, 82384, 92682, 94308, 123576, 125744, 141462, 149321, 185364, 188616, 247152, 282924, 298642, 370728, 377232, 447963, 565848, 597284, 741456, 895926, 1131696, 1194568, 1343889, 1791852, 2389136, 2687778, 3583704, 5375556, 7167408, 10751112, 21502224]

約数ペア:

[(1, 21502224), (2, 10751112), (3, 7167408), (4, 5375556), (6, 3583704), (8, 2687778), (9, 2389136), (12, 1791852), (16, 1343889), (18, 1194568), (19, 1131696), (24, 895926), (29, 741456), (36, 597284), (38, 565848), (48, 447963), (57, 377232), (58, 370728), (72, 298642), (76, 282924), (87, 247152), (114, 188616), (116, 185364), (144, 149321), (152, 141462), (171, 125744), (174, 123576), (228, 94308), (232, 92682), (261, 82384), (271, 79344), (304, 70731), (342, 62872), (348, 61788), (456, 47154), (464, 46341), (522, 41192), (542, 39672), (551, 39024), (684, 31436), (696, 30894), (813, 26448), (912, 23577), (1044, 20596), (1084, 19836), (1102, 19512), (1368, 15718), (1392, 15447), (1626, 13224), (1653, 13008), (2088, 10298), (2168, 9918), (2204, 9756), (2439, 8816), (2736, 7859), (3252, 6612), (3306, 6504), (4176, 5149), (4336, 4959), (4408, 4878)]