21236490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1129}}^1$

素因数の和:1172

約数の個数: 96

約数和(自身を含む): 63460800

約数和(自身を除く): 42224310

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 30, 33, 38, 45, 55, 57, 66, 90, 95, 99, 110, 114, 165, 171, 190, 198, 209, 285, 330, 342, 418, 495, 570, 627, 855, 990, 1045, 1129, 1254, 1710, 1881, 2090, 2258, 3135, 3387, 3762, 5645, 6270, 6774, 9405, 10161, 11290, 12419, 16935, 18810, 20322, 21451, 24838, 33870, 37257, 42902, 50805, 62095, 64353, 74514, 101610, 107255, 111771, 124190, 128706, 186285, 193059, 214510, 223542, 235961, 321765, 372570, 386118, 471922, 558855, 643530, 707883, 965295, 1117710, 1179805, 1415766, 1930590, 2123649, 2359610, 3539415, 4247298, 7078830, 10618245, 21236490]

約数ペア:

[(1, 21236490), (2, 10618245), (3, 7078830), (5, 4247298), (6, 3539415), (9, 2359610), (10, 2123649), (11, 1930590), (15, 1415766), (18, 1179805), (19, 1117710), (22, 965295), (30, 707883), (33, 643530), (38, 558855), (45, 471922), (55, 386118), (57, 372570), (66, 321765), (90, 235961), (95, 223542), (99, 214510), (110, 193059), (114, 186285), (165, 128706), (171, 124190), (190, 111771), (198, 107255), (209, 101610), (285, 74514), (330, 64353), (342, 62095), (418, 50805), (495, 42902), (570, 37257), (627, 33870), (855, 24838), (990, 21451), (1045, 20322), (1129, 18810), (1254, 16935), (1710, 12419), (1881, 11290), (2090, 10161), (2258, 9405), (3135, 6774), (3387, 6270), (3762, 5645)]