21483252

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:358

約数の個数: 96

約数和(自身を含む): 64413440

約数和(自身を除く): 42930188

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 157, 181, 189, 252, 314, 362, 378, 471, 543, 628, 724, 756, 942, 1086, 1099, 1267, 1413, 1629, 1884, 2172, 2198, 2534, 2826, 3258, 3297, 3801, 4239, 4396, 4887, 5068, 5652, 6516, 6594, 7602, 8478, 9774, 9891, 11403, 13188, 15204, 16956, 19548, 19782, 22806, 28417, 29673, 34209, 39564, 45612, 56834, 59346, 68418, 85251, 113668, 118692, 136836, 170502, 198919, 255753, 341004, 397838, 511506, 596757, 767259, 795676, 1023012, 1193514, 1534518, 1790271, 2387028, 3069036, 3580542, 5370813, 7161084, 10741626, 21483252]

約数ペア:

[(1, 21483252), (2, 10741626), (3, 7161084), (4, 5370813), (6, 3580542), (7, 3069036), (9, 2387028), (12, 1790271), (14, 1534518), (18, 1193514), (21, 1023012), (27, 795676), (28, 767259), (36, 596757), (42, 511506), (54, 397838), (63, 341004), (84, 255753), (108, 198919), (126, 170502), (157, 136836), (181, 118692), (189, 113668), (252, 85251), (314, 68418), (362, 59346), (378, 56834), (471, 45612), (543, 39564), (628, 34209), (724, 29673), (756, 28417), (942, 22806), (1086, 19782), (1099, 19548), (1267, 16956), (1413, 15204), (1629, 13188), (1884, 11403), (2172, 9891), (2198, 9774), (2534, 8478), (2826, 7602), (3258, 6594), (3297, 6516), (3801, 5652), (4239, 5068), (4396, 4887)]