21436576

素因数分解:

$2^5\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1153}}^1$

素因数の和:1253

約数の個数: 48

約数和(自身を含む): 48855744

約数和(自身を除く): 27419168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 83, 112, 166, 224, 332, 581, 664, 1153, 1162, 1328, 2306, 2324, 2656, 4612, 4648, 8071, 9224, 9296, 16142, 18448, 18592, 32284, 36896, 64568, 95699, 129136, 191398, 258272, 382796, 669893, 765592, 1339786, 1531184, 2679572, 3062368, 5359144, 10718288, 21436576]

約数ペア:

[(1, 21436576), (2, 10718288), (4, 5359144), (7, 3062368), (8, 2679572), (14, 1531184), (16, 1339786), (28, 765592), (32, 669893), (56, 382796), (83, 258272), (112, 191398), (166, 129136), (224, 95699), (332, 64568), (581, 36896), (664, 32284), (1153, 18592), (1162, 18448), (1328, 16142), (2306, 9296), (2324, 9224), (2656, 8071), (4612, 4648)]