21341188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 43714944

約数和(自身を除く): 22373756

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 103, 187, 206, 277, 374, 412, 554, 748, 1108, 1133, 1751, 2266, 3047, 3502, 4532, 4709, 6094, 7004, 9418, 12188, 18836, 19261, 28531, 38522, 51799, 57062, 77044, 103598, 114124, 207196, 313841, 485027, 627682, 970054, 1255364, 1940108, 5335297, 10670594, 21341188]

約数ペア:

[(1, 21341188), (2, 10670594), (4, 5335297), (11, 1940108), (17, 1255364), (22, 970054), (34, 627682), (44, 485027), (68, 313841), (103, 207196), (187, 114124), (206, 103598), (277, 77044), (374, 57062), (412, 51799), (554, 38522), (748, 28531), (1108, 19261), (1133, 18836), (1751, 12188), (2266, 9418), (3047, 7004), (3502, 6094), (4532, 4709)]