21487158

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:482

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 38267082

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 37, 42, 63, 66, 74, 77, 99, 111, 126, 154, 198, 222, 231, 259, 333, 407, 419, 462, 518, 666, 693, 777, 814, 838, 1221, 1257, 1386, 1554, 2331, 2442, 2514, 2849, 2933, 3663, 3771, 4609, 4662, 5698, 5866, 7326, 7542, 8547, 8799, 9218, 13827, 15503, 17094, 17598, 25641, 26397, 27654, 31006, 32263, 41481, 46509, 51282, 52794, 64526, 82962, 93018, 96789, 108521, 139527, 170533, 193578, 217042, 279054, 290367, 325563, 341066, 511599, 580734, 651126, 976689, 1023198, 1193731, 1534797, 1953378, 2387462, 3069594, 3581193, 7162386, 10743579, 21487158]

約数ペア:

[(1, 21487158), (2, 10743579), (3, 7162386), (6, 3581193), (7, 3069594), (9, 2387462), (11, 1953378), (14, 1534797), (18, 1193731), (21, 1023198), (22, 976689), (33, 651126), (37, 580734), (42, 511599), (63, 341066), (66, 325563), (74, 290367), (77, 279054), (99, 217042), (111, 193578), (126, 170533), (154, 139527), (198, 108521), (222, 96789), (231, 93018), (259, 82962), (333, 64526), (407, 52794), (419, 51282), (462, 46509), (518, 41481), (666, 32263), (693, 31006), (777, 27654), (814, 26397), (838, 25641), (1221, 17598), (1257, 17094), (1386, 15503), (1554, 13827), (2331, 9218), (2442, 8799), (2514, 8547), (2849, 7542), (2933, 7326), (3663, 5866), (3771, 5698), (4609, 4662)]