21564800

素因数分解:

$2^7\times 5^2\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 55777680

約数和(自身を除く): 34212880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 160, 184, 200, 230, 293, 320, 368, 400, 460, 575, 586, 640, 736, 800, 920, 1150, 1172, 1465, 1472, 1600, 1840, 2300, 2344, 2930, 2944, 3200, 3680, 4600, 4688, 5860, 6739, 7325, 7360, 9200, 9376, 11720, 13478, 14650, 14720, 18400, 18752, 23440, 26956, 29300, 33695, 36800, 37504, 46880, 53912, 58600, 67390, 73600, 93760, 107824, 117200, 134780, 168475, 187520, 215648, 234400, 269560, 336950, 431296, 468800, 539120, 673900, 862592, 937600, 1078240, 1347800, 2156480, 2695600, 4312960, 5391200, 10782400, 21564800]

約数ペア:

[(1, 21564800), (2, 10782400), (4, 5391200), (5, 4312960), (8, 2695600), (10, 2156480), (16, 1347800), (20, 1078240), (23, 937600), (25, 862592), (32, 673900), (40, 539120), (46, 468800), (50, 431296), (64, 336950), (80, 269560), (92, 234400), (100, 215648), (115, 187520), (128, 168475), (160, 134780), (184, 117200), (200, 107824), (230, 93760), (293, 73600), (320, 67390), (368, 58600), (400, 53912), (460, 46880), (575, 37504), (586, 36800), (640, 33695), (736, 29300), (800, 26956), (920, 23440), (1150, 18752), (1172, 18400), (1465, 14720), (1472, 14650), (1600, 13478), (1840, 11720), (2300, 9376), (2344, 9200), (2930, 7360), (2944, 7325), (3200, 6739), (3680, 5860), (4600, 4688)]