21370896

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 120

約数和(自身を含む): 64415520

約数和(自身を除く): 43044624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 73, 76, 107, 114, 144, 146, 152, 171, 214, 219, 228, 292, 304, 321, 342, 428, 438, 456, 584, 642, 657, 684, 856, 876, 912, 963, 1168, 1284, 1314, 1368, 1387, 1712, 1752, 1926, 2033, 2568, 2628, 2736, 2774, 3504, 3852, 4066, 4161, 5136, 5256, 5548, 6099, 7704, 7811, 8132, 8322, 10512, 11096, 12198, 12483, 15408, 15622, 16264, 16644, 18297, 22192, 23433, 24396, 24966, 31244, 32528, 33288, 36594, 46866, 48792, 49932, 62488, 66576, 70299, 73188, 93732, 97584, 99864, 124976, 140598, 146376, 148409, 187464, 199728, 281196, 292752, 296818, 374928, 445227, 562392, 593636, 890454, 1124784, 1187272, 1335681, 1780908, 2374544, 2671362, 3561816, 5342724, 7123632, 10685448, 21370896]

約数ペア:

[(1, 21370896), (2, 10685448), (3, 7123632), (4, 5342724), (6, 3561816), (8, 2671362), (9, 2374544), (12, 1780908), (16, 1335681), (18, 1187272), (19, 1124784), (24, 890454), (36, 593636), (38, 562392), (48, 445227), (57, 374928), (72, 296818), (73, 292752), (76, 281196), (107, 199728), (114, 187464), (144, 148409), (146, 146376), (152, 140598), (171, 124976), (214, 99864), (219, 97584), (228, 93732), (292, 73188), (304, 70299), (321, 66576), (342, 62488), (428, 49932), (438, 48792), (456, 46866), (584, 36594), (642, 33288), (657, 32528), (684, 31244), (856, 24966), (876, 24396), (912, 23433), (963, 22192), (1168, 18297), (1284, 16644), (1314, 16264), (1368, 15622), (1387, 15408), (1712, 12483), (1752, 12198), (1926, 11096), (2033, 10512), (2568, 8322), (2628, 8132), (2736, 7811), (2774, 7704), (3504, 6099), (3852, 5548), (4066, 5256), (4161, 5136)]