21429657904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1\times {\mathrm{3449}}^1$

素因数の和:3958

約数の個数: 80

約数和(自身を含む): 44908732800

約数和(自身を除く): 23479074896

約数列:

[1, 2, 4, 8, 16, 17, 34, 53, 68, 106, 136, 212, 272, 424, 431, 848, 862, 901, 1724, 1802, 3448, 3449, 3604, 6896, 6898, 7208, 7327, 13796, 14416, 14654, 22843, 27592, 29308, 45686, 55184, 58616, 58633, 91372, 117232, 117266, 182744, 182797, 234532, 365488, 365594, 388331, 469064, 731188, 776662, 938128, 1462376, 1486519, 1553324, 2924752, 2973038, 3106648, 3107549, 5946076, 6213296, 6215098, 11892152, 12430196, 23784304, 24860392, 25270823, 49720784, 50541646, 78785507, 101083292, 157571014, 202166584, 315142028, 404333168, 630284056, 1260568112, 1339353619, 2678707238, 5357414476, 10714828952, 21429657904]

約数ペア:

[(1, 21429657904), (2, 10714828952), (4, 5357414476), (8, 2678707238), (16, 1339353619), (17, 1260568112), (34, 630284056), (53, 404333168), (68, 315142028), (106, 202166584), (136, 157571014), (212, 101083292), (272, 78785507), (424, 50541646), (431, 49720784), (848, 25270823), (862, 24860392), (901, 23784304), (1724, 12430196), (1802, 11892152), (3448, 6215098), (3449, 6213296), (3604, 5946076), (6896, 3107549), (6898, 3106648), (7208, 2973038), (7327, 2924752), (13796, 1553324), (14416, 1486519), (14654, 1462376), (22843, 938128), (27592, 776662), (29308, 731188), (45686, 469064), (55184, 388331), (58616, 365594), (58633, 365488), (91372, 234532), (117232, 182797), (117266, 182744)]