21115360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1109}}^1$

素因数の和:1148

約数の個数: 96

約数和(自身を含む): 60419520

約数和(自身を除く): 39304160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 544, 560, 595, 680, 952, 1109, 1120, 1190, 1360, 1904, 2218, 2380, 2720, 3808, 4436, 4760, 5545, 7763, 8872, 9520, 11090, 15526, 17744, 18853, 19040, 22180, 31052, 35488, 37706, 38815, 44360, 62104, 75412, 77630, 88720, 94265, 124208, 131971, 150824, 155260, 177440, 188530, 248416, 263942, 301648, 310520, 377060, 527884, 603296, 621040, 659855, 754120, 1055768, 1242080, 1319710, 1508240, 2111536, 2639420, 3016480, 4223072, 5278840, 10557680, 21115360]

約数ペア:

[(1, 21115360), (2, 10557680), (4, 5278840), (5, 4223072), (7, 3016480), (8, 2639420), (10, 2111536), (14, 1508240), (16, 1319710), (17, 1242080), (20, 1055768), (28, 754120), (32, 659855), (34, 621040), (35, 603296), (40, 527884), (56, 377060), (68, 310520), (70, 301648), (80, 263942), (85, 248416), (112, 188530), (119, 177440), (136, 155260), (140, 150824), (160, 131971), (170, 124208), (224, 94265), (238, 88720), (272, 77630), (280, 75412), (340, 62104), (476, 44360), (544, 38815), (560, 37706), (595, 35488), (680, 31052), (952, 22180), (1109, 19040), (1120, 18853), (1190, 17744), (1360, 15526), (1904, 11090), (2218, 9520), (2380, 8872), (2720, 7763), (3808, 5545), (4436, 4760)]