21623264

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{881}}^1$

素因数の和:963

約数の個数: 48

約数和(自身を含む): 46675440

約数和(自身を除く): 25052176

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 104, 118, 208, 236, 416, 472, 767, 881, 944, 1534, 1762, 1888, 3068, 3524, 6136, 7048, 11453, 12272, 14096, 22906, 24544, 28192, 45812, 51979, 91624, 103958, 183248, 207916, 366496, 415832, 675727, 831664, 1351454, 1663328, 2702908, 5405816, 10811632, 21623264]

約数ペア:

[(1, 21623264), (2, 10811632), (4, 5405816), (8, 2702908), (13, 1663328), (16, 1351454), (26, 831664), (32, 675727), (52, 415832), (59, 366496), (104, 207916), (118, 183248), (208, 103958), (236, 91624), (416, 51979), (472, 45812), (767, 28192), (881, 24544), (944, 22906), (1534, 14096), (1762, 12272), (1888, 11453), (3068, 7048), (3524, 6136)]