21611616

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17317}}^1$

素因数の和:17343

約数の個数: 48

約数和(自身を含む): 61097904

約数和(自身を除く): 39486288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 17317, 34634, 51951, 69268, 103902, 138536, 207804, 225121, 277072, 415608, 450242, 554144, 675363, 831216, 900484, 1350726, 1662432, 1800968, 2701452, 3601936, 5402904, 7203872, 10805808, 21611616]

約数ペア:

[(1, 21611616), (2, 10805808), (3, 7203872), (4, 5402904), (6, 3601936), (8, 2701452), (12, 1800968), (13, 1662432), (16, 1350726), (24, 900484), (26, 831216), (32, 675363), (39, 554144), (48, 450242), (52, 415608), (78, 277072), (96, 225121), (104, 207804), (156, 138536), (208, 103902), (312, 69268), (416, 51951), (624, 34634), (1248, 17317)]