21783492

素因数分解:

$2^2\times 3^5\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 58074016

約数和(自身を除く): 36290524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 81, 108, 146, 162, 219, 243, 292, 307, 324, 438, 486, 614, 657, 876, 921, 972, 1228, 1314, 1842, 1971, 2628, 2763, 3684, 3942, 5526, 5913, 7884, 8289, 11052, 11826, 16578, 17739, 22411, 23652, 24867, 33156, 35478, 44822, 49734, 67233, 70956, 74601, 89644, 99468, 134466, 149202, 201699, 268932, 298404, 403398, 605097, 806796, 1210194, 1815291, 2420388, 3630582, 5445873, 7261164, 10891746, 21783492]

約数ペア:

[(1, 21783492), (2, 10891746), (3, 7261164), (4, 5445873), (6, 3630582), (9, 2420388), (12, 1815291), (18, 1210194), (27, 806796), (36, 605097), (54, 403398), (73, 298404), (81, 268932), (108, 201699), (146, 149202), (162, 134466), (219, 99468), (243, 89644), (292, 74601), (307, 70956), (324, 67233), (438, 49734), (486, 44822), (614, 35478), (657, 33156), (876, 24867), (921, 23652), (972, 22411), (1228, 17739), (1314, 16578), (1842, 11826), (1971, 11052), (2628, 8289), (2763, 7884), (3684, 5913), (3942, 5526)]