21726918

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:182

約数の個数: 96

約数和(自身を含む): 54419040

約数和(自身を除く): 32692122

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 37, 38, 51, 57, 74, 101, 102, 111, 114, 153, 171, 202, 222, 303, 306, 323, 333, 342, 606, 629, 646, 666, 703, 909, 969, 1258, 1406, 1717, 1818, 1887, 1919, 1938, 2109, 2907, 3434, 3737, 3774, 3838, 4218, 5151, 5661, 5757, 5814, 6327, 7474, 10302, 11211, 11322, 11514, 11951, 12654, 15453, 17271, 22422, 23902, 30906, 32623, 33633, 34542, 35853, 63529, 65246, 67266, 71003, 71706, 97869, 107559, 127058, 142006, 190587, 195738, 213009, 215118, 293607, 381174, 426018, 571761, 587214, 639027, 1143522, 1207051, 1278054, 2414102, 3621153, 7242306, 10863459, 21726918]

約数ペア:

[(1, 21726918), (2, 10863459), (3, 7242306), (6, 3621153), (9, 2414102), (17, 1278054), (18, 1207051), (19, 1143522), (34, 639027), (37, 587214), (38, 571761), (51, 426018), (57, 381174), (74, 293607), (101, 215118), (102, 213009), (111, 195738), (114, 190587), (153, 142006), (171, 127058), (202, 107559), (222, 97869), (303, 71706), (306, 71003), (323, 67266), (333, 65246), (342, 63529), (606, 35853), (629, 34542), (646, 33633), (666, 32623), (703, 30906), (909, 23902), (969, 22422), (1258, 17271), (1406, 15453), (1717, 12654), (1818, 11951), (1887, 11514), (1919, 11322), (1938, 11211), (2109, 10302), (2907, 7474), (3434, 6327), (3737, 5814), (3774, 5757), (3838, 5661), (4218, 5151)]