21383002320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1220491}}^1$

素因数の和:1220580

約数の個数: 80

約数和(自身を含む): 67195407552

約数和(自身を除く): 45812405232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1460, 1752, 2190, 2920, 3504, 4380, 5840, 8760, 17520, 1220491, 2440982, 3661473, 4881964, 6102455, 7322946, 9763928, 12204910, 14645892, 18307365, 19527856, 24409820, 29291784, 36614730, 48819640, 58583568, 73229460, 89095843, 97639280, 146458920, 178191686, 267287529, 292917840, 356383372, 445479215, 534575058, 712766744, 890958430, 1069150116, 1336437645, 1425533488, 1781916860, 2138300232, 2672875290, 3563833720, 4276600464, 5345750580, 7127667440, 10691501160, 21383002320]

約数ペア:

[(1, 21383002320), (2, 10691501160), (3, 7127667440), (4, 5345750580), (5, 4276600464), (6, 3563833720), (8, 2672875290), (10, 2138300232), (12, 1781916860), (15, 1425533488), (16, 1336437645), (20, 1069150116), (24, 890958430), (30, 712766744), (40, 534575058), (48, 445479215), (60, 356383372), (73, 292917840), (80, 267287529), (120, 178191686), (146, 146458920), (219, 97639280), (240, 89095843), (292, 73229460), (365, 58583568), (438, 48819640), (584, 36614730), (730, 29291784), (876, 24409820), (1095, 19527856), (1168, 18307365), (1460, 14645892), (1752, 12204910), (2190, 9763928), (2920, 7322946), (3504, 6102455), (4380, 4881964), (5840, 3661473), (8760, 2440982), (17520, 1220491)]