21103633040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{53759}}^1$

素因数の和:54480

約数の個数: 80

約数和(自身を含む): 56156405760

約数和(自身を除く): 35052772720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 701, 1402, 2804, 3505, 4907, 5608, 7010, 9814, 11216, 14020, 19628, 24535, 28040, 39256, 49070, 53759, 56080, 78512, 98140, 107518, 196280, 215036, 268795, 376313, 392560, 430072, 537590, 752626, 860144, 1075180, 1505252, 1881565, 2150360, 3010504, 3763130, 4300720, 6021008, 7526260, 15052520, 30105040, 37685059, 75370118, 150740236, 188425295, 263795413, 301480472, 376850590, 527590826, 602960944, 753701180, 1055181652, 1318977065, 1507402360, 2110363304, 2637954130, 3014804720, 4220726608, 5275908260, 10551816520, 21103633040]

約数ペア:

[(1, 21103633040), (2, 10551816520), (4, 5275908260), (5, 4220726608), (7, 3014804720), (8, 2637954130), (10, 2110363304), (14, 1507402360), (16, 1318977065), (20, 1055181652), (28, 753701180), (35, 602960944), (40, 527590826), (56, 376850590), (70, 301480472), (80, 263795413), (112, 188425295), (140, 150740236), (280, 75370118), (560, 37685059), (701, 30105040), (1402, 15052520), (2804, 7526260), (3505, 6021008), (4907, 4300720), (5608, 3763130), (7010, 3010504), (9814, 2150360), (11216, 1881565), (14020, 1505252), (19628, 1075180), (24535, 860144), (28040, 752626), (39256, 537590), (49070, 430072), (53759, 392560), (56080, 376313), (78512, 268795), (98140, 215036), (107518, 196280)]