21366480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{701}}^1$

素因数の和:844

約数の個数: 80

約数和(自身を含む): 66852864

約数和(自身を除く): 45486384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 701, 762, 1016, 1270, 1402, 1524, 1905, 2032, 2103, 2540, 2804, 3048, 3505, 3810, 4206, 5080, 5608, 6096, 7010, 7620, 8412, 10160, 10515, 11216, 14020, 15240, 16824, 21030, 28040, 30480, 33648, 42060, 56080, 84120, 89027, 168240, 178054, 267081, 356108, 445135, 534162, 712216, 890270, 1068324, 1335405, 1424432, 1780540, 2136648, 2670810, 3561080, 4273296, 5341620, 7122160, 10683240, 21366480]

約数ペア:

[(1, 21366480), (2, 10683240), (3, 7122160), (4, 5341620), (5, 4273296), (6, 3561080), (8, 2670810), (10, 2136648), (12, 1780540), (15, 1424432), (16, 1335405), (20, 1068324), (24, 890270), (30, 712216), (40, 534162), (48, 445135), (60, 356108), (80, 267081), (120, 178054), (127, 168240), (240, 89027), (254, 84120), (381, 56080), (508, 42060), (635, 33648), (701, 30480), (762, 28040), (1016, 21030), (1270, 16824), (1402, 15240), (1524, 14020), (1905, 11216), (2032, 10515), (2103, 10160), (2540, 8412), (2804, 7620), (3048, 7010), (3505, 6096), (3810, 5608), (4206, 5080)]