21352770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12487}}^1$

素因数の和:12519

約数の個数: 48

約数和(自身を含む): 58443840

約数和(自身を除く): 37091070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12487, 24974, 37461, 62435, 74922, 112383, 124870, 187305, 224766, 237253, 374610, 474506, 561915, 711759, 1123830, 1186265, 1423518, 2135277, 2372530, 3558795, 4270554, 7117590, 10676385, 21352770]

約数ペア:

[(1, 21352770), (2, 10676385), (3, 7117590), (5, 4270554), (6, 3558795), (9, 2372530), (10, 2135277), (15, 1423518), (18, 1186265), (19, 1123830), (30, 711759), (38, 561915), (45, 474506), (57, 374610), (90, 237253), (95, 224766), (114, 187305), (171, 124870), (190, 112383), (285, 74922), (342, 62435), (570, 37461), (855, 24974), (1710, 12487)]