21788628

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 56189952

約数和(自身を除く): 34401324

約数列:

[1, 2, 3, 4, 6, 12, 17, 29, 34, 51, 58, 68, 87, 102, 116, 127, 174, 204, 254, 348, 381, 493, 508, 762, 841, 986, 1479, 1524, 1682, 1972, 2159, 2523, 2958, 3364, 3683, 4318, 5046, 5916, 6477, 7366, 8636, 10092, 11049, 12954, 14297, 14732, 22098, 25908, 28594, 42891, 44196, 57188, 62611, 85782, 106807, 125222, 171564, 187833, 213614, 250444, 320421, 375666, 427228, 640842, 751332, 1281684, 1815719, 3631438, 5447157, 7262876, 10894314, 21788628]

約数ペア:

[(1, 21788628), (2, 10894314), (3, 7262876), (4, 5447157), (6, 3631438), (12, 1815719), (17, 1281684), (29, 751332), (34, 640842), (51, 427228), (58, 375666), (68, 320421), (87, 250444), (102, 213614), (116, 187833), (127, 171564), (174, 125222), (204, 106807), (254, 85782), (348, 62611), (381, 57188), (493, 44196), (508, 42891), (762, 28594), (841, 25908), (986, 22098), (1479, 14732), (1524, 14297), (1682, 12954), (1972, 11049), (2159, 10092), (2523, 8636), (2958, 7366), (3364, 6477), (3683, 5916), (4318, 5046)]