21946254

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:126

約数の個数: 96

約数和(自身を含む): 53370240

約数和(自身を除く): 31423986

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 37, 38, 43, 57, 66, 74, 86, 111, 114, 121, 129, 209, 222, 242, 258, 363, 407, 418, 473, 627, 703, 726, 814, 817, 946, 1221, 1254, 1406, 1419, 1591, 1634, 2109, 2299, 2442, 2451, 2838, 3182, 4218, 4477, 4598, 4773, 4902, 5203, 6897, 7733, 8954, 8987, 9546, 10406, 13431, 13794, 15466, 15609, 17501, 17974, 23199, 26862, 26961, 30229, 31218, 35002, 46398, 52503, 53922, 60458, 85063, 90687, 98857, 105006, 170126, 181374, 192511, 197714, 255189, 296571, 332519, 385022, 510378, 577533, 593142, 665038, 997557, 1155066, 1995114, 3657709, 7315418, 10973127, 21946254]

約数ペア:

[(1, 21946254), (2, 10973127), (3, 7315418), (6, 3657709), (11, 1995114), (19, 1155066), (22, 997557), (33, 665038), (37, 593142), (38, 577533), (43, 510378), (57, 385022), (66, 332519), (74, 296571), (86, 255189), (111, 197714), (114, 192511), (121, 181374), (129, 170126), (209, 105006), (222, 98857), (242, 90687), (258, 85063), (363, 60458), (407, 53922), (418, 52503), (473, 46398), (627, 35002), (703, 31218), (726, 30229), (814, 26961), (817, 26862), (946, 23199), (1221, 17974), (1254, 17501), (1406, 15609), (1419, 15466), (1591, 13794), (1634, 13431), (2109, 10406), (2299, 9546), (2442, 8987), (2451, 8954), (2838, 7733), (3182, 6897), (4218, 5203), (4477, 4902), (4598, 4773)]