21498745076

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1\times {\mathrm{3389}}^1$

素因数の和:4304

約数の個数: 48

約数和(自身を含む): 39419896320

約数和(自身を除く): 17921151244

約数列:

[1, 2, 4, 41, 47, 82, 94, 164, 188, 823, 1646, 1927, 3292, 3389, 3854, 6778, 7708, 13556, 33743, 38681, 67486, 77362, 134972, 138949, 154724, 159283, 277898, 318566, 555796, 637132, 1585921, 2789147, 3171842, 5578294, 6343684, 6530603, 11156588, 13061206, 26122412, 114355027, 131089909, 228710054, 262179818, 457420108, 524359636, 5374686269, 10749372538, 21498745076]

約数ペア:

[(1, 21498745076), (2, 10749372538), (4, 5374686269), (41, 524359636), (47, 457420108), (82, 262179818), (94, 228710054), (164, 131089909), (188, 114355027), (823, 26122412), (1646, 13061206), (1927, 11156588), (3292, 6530603), (3389, 6343684), (3854, 5578294), (6778, 3171842), (7708, 2789147), (13556, 1585921), (33743, 637132), (38681, 555796), (67486, 318566), (77362, 277898), (134972, 159283), (138949, 154724)]