21077144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 46513440

約数和(自身を除く): 25436296

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 73, 88, 136, 146, 187, 193, 292, 374, 386, 584, 748, 772, 803, 1241, 1496, 1544, 1606, 2123, 2482, 3212, 3281, 4246, 4964, 6424, 6562, 8492, 9928, 13124, 13651, 14089, 16984, 26248, 27302, 28178, 36091, 54604, 56356, 72182, 109208, 112712, 144364, 154979, 239513, 288728, 309958, 479026, 619916, 958052, 1239832, 1916104, 2634643, 5269286, 10538572, 21077144]

約数ペア:

[(1, 21077144), (2, 10538572), (4, 5269286), (8, 2634643), (11, 1916104), (17, 1239832), (22, 958052), (34, 619916), (44, 479026), (68, 309958), (73, 288728), (88, 239513), (136, 154979), (146, 144364), (187, 112712), (193, 109208), (292, 72182), (374, 56356), (386, 54604), (584, 36091), (748, 28178), (772, 27302), (803, 26248), (1241, 16984), (1496, 14089), (1544, 13651), (1606, 13124), (2123, 9928), (2482, 8492), (3212, 6562), (3281, 6424), (4246, 4964)]