21291452

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2017}}^1$

素因数の和:2070

約数の個数: 48

約数和(自身を含む): 47463360

約数和(自身を除く): 26171908

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 406, 754, 812, 1508, 2017, 2639, 4034, 5278, 8068, 10556, 14119, 26221, 28238, 52442, 56476, 58493, 104884, 116986, 183547, 233972, 367094, 409451, 734188, 760409, 818902, 1520818, 1637804, 3041636, 5322863, 10645726, 21291452]

約数ペア:

[(1, 21291452), (2, 10645726), (4, 5322863), (7, 3041636), (13, 1637804), (14, 1520818), (26, 818902), (28, 760409), (29, 734188), (52, 409451), (58, 367094), (91, 233972), (116, 183547), (182, 116986), (203, 104884), (364, 58493), (377, 56476), (406, 52442), (754, 28238), (812, 26221), (1508, 14119), (2017, 10556), (2639, 8068), (4034, 5278)]