21092960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:568

約数の個数: 96

約数和(自身を含む): 58605120

約数和(自身を除く): 37512160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 160, 185, 224, 259, 280, 296, 370, 509, 518, 560, 592, 740, 1018, 1036, 1120, 1184, 1295, 1480, 2036, 2072, 2545, 2590, 2960, 3563, 4072, 4144, 5090, 5180, 5920, 7126, 8144, 8288, 10180, 10360, 14252, 16288, 17815, 18833, 20360, 20720, 28504, 35630, 37666, 40720, 41440, 57008, 71260, 75332, 81440, 94165, 114016, 131831, 142520, 150664, 188330, 263662, 285040, 301328, 376660, 527324, 570080, 602656, 659155, 753320, 1054648, 1318310, 1506640, 2109296, 2636620, 3013280, 4218592, 5273240, 10546480, 21092960]

約数ペア:

[(1, 21092960), (2, 10546480), (4, 5273240), (5, 4218592), (7, 3013280), (8, 2636620), (10, 2109296), (14, 1506640), (16, 1318310), (20, 1054648), (28, 753320), (32, 659155), (35, 602656), (37, 570080), (40, 527324), (56, 376660), (70, 301328), (74, 285040), (80, 263662), (112, 188330), (140, 150664), (148, 142520), (160, 131831), (185, 114016), (224, 94165), (259, 81440), (280, 75332), (296, 71260), (370, 57008), (509, 41440), (518, 40720), (560, 37666), (592, 35630), (740, 28504), (1018, 20720), (1036, 20360), (1120, 18833), (1184, 17815), (1295, 16288), (1480, 14252), (2036, 10360), (2072, 10180), (2545, 8288), (2590, 8144), (2960, 7126), (3563, 5920), (4072, 5180), (4144, 5090)]