21990080

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9817}}^1$

素因数の和:9841

約数の個数: 56

約数和(自身を含む): 59850528

約数和(自身を除く): 37860448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9817, 19634, 39268, 49085, 68719, 78536, 98170, 137438, 157072, 196340, 274876, 314144, 343595, 392680, 549752, 628288, 687190, 785360, 1099504, 1374380, 1570720, 2199008, 2748760, 3141440, 4398016, 5497520, 10995040, 21990080]

約数ペア:

[(1, 21990080), (2, 10995040), (4, 5497520), (5, 4398016), (7, 3141440), (8, 2748760), (10, 2199008), (14, 1570720), (16, 1374380), (20, 1099504), (28, 785360), (32, 687190), (35, 628288), (40, 549752), (56, 392680), (64, 343595), (70, 314144), (80, 274876), (112, 196340), (140, 157072), (160, 137438), (224, 98170), (280, 78536), (320, 68719), (448, 49085), (560, 39268), (1120, 19634), (2240, 9817)]