21058400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2393}}^1$

素因数の和:2424

約数の個数: 72

約数和(自身を含む): 56105784

約数和(自身を除く): 35047384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 2393, 4400, 4786, 8800, 9572, 11965, 19144, 23930, 26323, 38288, 47860, 52646, 59825, 76576, 95720, 105292, 119650, 131615, 191440, 210584, 239300, 263230, 382880, 421168, 478600, 526460, 658075, 842336, 957200, 1052920, 1316150, 1914400, 2105840, 2632300, 4211680, 5264600, 10529200, 21058400]

約数ペア:

[(1, 21058400), (2, 10529200), (4, 5264600), (5, 4211680), (8, 2632300), (10, 2105840), (11, 1914400), (16, 1316150), (20, 1052920), (22, 957200), (25, 842336), (32, 658075), (40, 526460), (44, 478600), (50, 421168), (55, 382880), (80, 263230), (88, 239300), (100, 210584), (110, 191440), (160, 131615), (176, 119650), (200, 105292), (220, 95720), (275, 76576), (352, 59825), (400, 52646), (440, 47860), (550, 38288), (800, 26323), (880, 23930), (1100, 19144), (1760, 11965), (2200, 9572), (2393, 8800), (4400, 4786)]