21062412

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 44981748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 53, 57, 63, 76, 83, 84, 106, 114, 126, 133, 159, 166, 171, 212, 228, 249, 252, 266, 318, 332, 342, 371, 399, 477, 498, 532, 581, 636, 684, 742, 747, 798, 954, 996, 1007, 1113, 1162, 1197, 1484, 1494, 1577, 1596, 1743, 1908, 2014, 2226, 2324, 2394, 2988, 3021, 3154, 3339, 3486, 4028, 4399, 4452, 4731, 4788, 5229, 6042, 6308, 6678, 6972, 7049, 8798, 9063, 9462, 10458, 11039, 12084, 13197, 13356, 14098, 14193, 17596, 18126, 18924, 20916, 21147, 22078, 26394, 28196, 28386, 30793, 33117, 36252, 39591, 42294, 44156, 52788, 56772, 61586, 63441, 66234, 79182, 83581, 84588, 92379, 99351, 123172, 126882, 132468, 158364, 167162, 184758, 198702, 250743, 253764, 277137, 334324, 369516, 397404, 501486, 554274, 585067, 752229, 1002972, 1108548, 1170134, 1504458, 1755201, 2340268, 3008916, 3510402, 5265603, 7020804, 10531206, 21062412]

約数ペア:

[(1, 21062412), (2, 10531206), (3, 7020804), (4, 5265603), (6, 3510402), (7, 3008916), (9, 2340268), (12, 1755201), (14, 1504458), (18, 1170134), (19, 1108548), (21, 1002972), (28, 752229), (36, 585067), (38, 554274), (42, 501486), (53, 397404), (57, 369516), (63, 334324), (76, 277137), (83, 253764), (84, 250743), (106, 198702), (114, 184758), (126, 167162), (133, 158364), (159, 132468), (166, 126882), (171, 123172), (212, 99351), (228, 92379), (249, 84588), (252, 83581), (266, 79182), (318, 66234), (332, 63441), (342, 61586), (371, 56772), (399, 52788), (477, 44156), (498, 42294), (532, 39591), (581, 36252), (636, 33117), (684, 30793), (742, 28386), (747, 28196), (798, 26394), (954, 22078), (996, 21147), (1007, 20916), (1113, 18924), (1162, 18126), (1197, 17596), (1484, 14193), (1494, 14098), (1577, 13356), (1596, 13197), (1743, 12084), (1908, 11039), (2014, 10458), (2226, 9462), (2324, 9063), (2394, 8798), (2988, 7049), (3021, 6972), (3154, 6678), (3339, 6308), (3486, 6042), (4028, 5229), (4399, 4788), (4452, 4731)]