21492956265

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{70297}}^1$

素因数の和:70442

約数の個数: 64

約数和(自身を含む): 40086731520

約数和(自身を除く): 18593775255

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 109, 165, 187, 255, 327, 545, 561, 935, 1199, 1635, 1853, 2805, 3597, 5559, 5995, 9265, 17985, 20383, 27795, 61149, 70297, 101915, 210891, 305745, 351485, 773267, 1054455, 1195049, 2319801, 3585147, 3866335, 5975245, 7662373, 11599005, 13145539, 17925735, 22987119, 38311865, 39436617, 65727695, 84286103, 114935595, 130260341, 197183085, 252858309, 390781023, 421430515, 651301705, 1264291545, 1432863751, 1953905115, 4298591253, 7164318755, 21492956265]

約数ペア:

[(1, 21492956265), (3, 7164318755), (5, 4298591253), (11, 1953905115), (15, 1432863751), (17, 1264291545), (33, 651301705), (51, 421430515), (55, 390781023), (85, 252858309), (109, 197183085), (165, 130260341), (187, 114935595), (255, 84286103), (327, 65727695), (545, 39436617), (561, 38311865), (935, 22987119), (1199, 17925735), (1635, 13145539), (1853, 11599005), (2805, 7662373), (3597, 5975245), (5559, 3866335), (5995, 3585147), (9265, 2319801), (17985, 1195049), (20383, 1054455), (27795, 773267), (61149, 351485), (70297, 305745), (101915, 210891)]