2021819912

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1\times {\mathrm{1973}}^1$

素因数の和:2646

約数の個数: 64

約数和(自身を含む): 4491244800

約数和(自身を除く): 2469424888

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 631, 812, 1262, 1624, 1973, 2524, 3946, 4417, 5048, 7892, 8834, 13811, 15784, 17668, 18299, 27622, 35336, 36598, 55244, 57217, 73196, 110488, 114434, 128093, 146392, 228868, 256186, 400519, 457736, 512372, 801038, 1024744, 1244963, 1602076, 2489926, 3204152, 4979852, 8714741, 9959704, 17429482, 34858964, 36103927, 69717928, 72207854, 144415708, 252727489, 288831416, 505454978, 1010909956, 2021819912]

約数ペア:

[(1, 2021819912), (2, 1010909956), (4, 505454978), (7, 288831416), (8, 252727489), (14, 144415708), (28, 72207854), (29, 69717928), (56, 36103927), (58, 34858964), (116, 17429482), (203, 9959704), (232, 8714741), (406, 4979852), (631, 3204152), (812, 2489926), (1262, 1602076), (1624, 1244963), (1973, 1024744), (2524, 801038), (3946, 512372), (4417, 457736), (5048, 400519), (7892, 256186), (8834, 228868), (13811, 146392), (15784, 128093), (17668, 114434), (18299, 110488), (27622, 73196), (35336, 57217), (36598, 55244)]