21285088

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3557}}^1$

素因数の和:3595

約数の個数: 48

約数和(自身を含む): 48417264

約数和(自身を除く): 27132176

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 136, 176, 187, 272, 352, 374, 544, 748, 1496, 2992, 3557, 5984, 7114, 14228, 28456, 39127, 56912, 60469, 78254, 113824, 120938, 156508, 241876, 313016, 483752, 626032, 665159, 967504, 1252064, 1330318, 1935008, 2660636, 5321272, 10642544, 21285088]

約数ペア:

[(1, 21285088), (2, 10642544), (4, 5321272), (8, 2660636), (11, 1935008), (16, 1330318), (17, 1252064), (22, 967504), (32, 665159), (34, 626032), (44, 483752), (68, 313016), (88, 241876), (136, 156508), (176, 120938), (187, 113824), (272, 78254), (352, 60469), (374, 56912), (544, 39127), (748, 28456), (1496, 14228), (2992, 7114), (3557, 5984)]