21313988080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3460063}}^1$

素因数の和:3460094

約数の個数: 80

約数和(自身を含む): 61782902784

約数和(自身を除く): 40468914704

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 3460063, 6920126, 13840252, 17300315, 24220441, 27680504, 34600630, 38060693, 48440882, 55361008, 69201260, 76121386, 96881764, 121102205, 138402520, 152242772, 190303465, 193763528, 242204410, 266424851, 276805040, 304485544, 380606930, 387527056, 484408820, 532849702, 608971088, 761213860, 968817640, 1065699404, 1332124255, 1522427720, 1937635280, 2131398808, 2664248510, 3044855440, 4262797616, 5328497020, 10656994040, 21313988080]

約数ペア:

[(1, 21313988080), (2, 10656994040), (4, 5328497020), (5, 4262797616), (7, 3044855440), (8, 2664248510), (10, 2131398808), (11, 1937635280), (14, 1522427720), (16, 1332124255), (20, 1065699404), (22, 968817640), (28, 761213860), (35, 608971088), (40, 532849702), (44, 484408820), (55, 387527056), (56, 380606930), (70, 304485544), (77, 276805040), (80, 266424851), (88, 242204410), (110, 193763528), (112, 190303465), (140, 152242772), (154, 138402520), (176, 121102205), (220, 96881764), (280, 76121386), (308, 69201260), (385, 55361008), (440, 48440882), (560, 38060693), (616, 34600630), (770, 27680504), (880, 24220441), (1232, 17300315), (1540, 13840252), (3080, 6920126), (6160, 3460063)]