21740616

素因数分解:

$2^3\times 3^3\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 60782400

約数和(自身を除く): 39041784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 251, 401, 502, 753, 802, 1004, 1203, 1506, 1604, 2008, 2259, 2406, 3012, 3208, 3609, 4518, 4812, 6024, 6777, 7218, 9036, 9624, 10827, 13554, 14436, 18072, 21654, 27108, 28872, 43308, 54216, 86616, 100651, 201302, 301953, 402604, 603906, 805208, 905859, 1207812, 1811718, 2415624, 2717577, 3623436, 5435154, 7246872, 10870308, 21740616]

約数ペア:

[(1, 21740616), (2, 10870308), (3, 7246872), (4, 5435154), (6, 3623436), (8, 2717577), (9, 2415624), (12, 1811718), (18, 1207812), (24, 905859), (27, 805208), (36, 603906), (54, 402604), (72, 301953), (108, 201302), (216, 100651), (251, 86616), (401, 54216), (502, 43308), (753, 28872), (802, 27108), (1004, 21654), (1203, 18072), (1506, 14436), (1604, 13554), (2008, 10827), (2259, 9624), (2406, 9036), (3012, 7218), (3208, 6777), (3609, 6024), (4518, 4812)]