21947850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:205

約数の個数: 144

約数和(自身を含む): 66156480

約数和(自身を除く): 44208630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 25, 30, 34, 38, 45, 50, 51, 57, 75, 85, 90, 95, 102, 114, 150, 151, 153, 170, 171, 190, 225, 255, 285, 302, 306, 323, 342, 425, 450, 453, 475, 510, 570, 646, 755, 765, 850, 855, 906, 950, 969, 1275, 1359, 1425, 1510, 1530, 1615, 1710, 1938, 2265, 2550, 2567, 2718, 2850, 2869, 2907, 3230, 3775, 3825, 4275, 4530, 4845, 5134, 5738, 5814, 6795, 7550, 7650, 7701, 8075, 8550, 8607, 9690, 11325, 12835, 13590, 14345, 14535, 15402, 16150, 17214, 22650, 23103, 24225, 25670, 25821, 28690, 29070, 33975, 38505, 43035, 46206, 48450, 48773, 51642, 64175, 67950, 71725, 72675, 77010, 86070, 97546, 115515, 128350, 129105, 143450, 145350, 146319, 192525, 215175, 231030, 243865, 258210, 292638, 385050, 430350, 438957, 487730, 577575, 645525, 731595, 877914, 1155150, 1219325, 1291050, 1463190, 2194785, 2438650, 3657975, 4389570, 7315950, 10973925, 21947850]

約数ペア:

[(1, 21947850), (2, 10973925), (3, 7315950), (5, 4389570), (6, 3657975), (9, 2438650), (10, 2194785), (15, 1463190), (17, 1291050), (18, 1219325), (19, 1155150), (25, 877914), (30, 731595), (34, 645525), (38, 577575), (45, 487730), (50, 438957), (51, 430350), (57, 385050), (75, 292638), (85, 258210), (90, 243865), (95, 231030), (102, 215175), (114, 192525), (150, 146319), (151, 145350), (153, 143450), (170, 129105), (171, 128350), (190, 115515), (225, 97546), (255, 86070), (285, 77010), (302, 72675), (306, 71725), (323, 67950), (342, 64175), (425, 51642), (450, 48773), (453, 48450), (475, 46206), (510, 43035), (570, 38505), (646, 33975), (755, 29070), (765, 28690), (850, 25821), (855, 25670), (906, 24225), (950, 23103), (969, 22650), (1275, 17214), (1359, 16150), (1425, 15402), (1510, 14535), (1530, 14345), (1615, 13590), (1710, 12835), (1938, 11325), (2265, 9690), (2550, 8607), (2567, 8550), (2718, 8075), (2850, 7701), (2869, 7650), (2907, 7550), (3230, 6795), (3775, 5814), (3825, 5738), (4275, 5134), (4530, 4845)]