21453184

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9859}}^1$

素因数の和:9890

約数の個数: 32

約数和(自身を含む): 45257400

約数和(自身を除く): 23804216

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9859, 19718, 39436, 78872, 157744, 167603, 315488, 335206, 630976, 670412, 1261952, 1340824, 2681648, 5363296, 10726592, 21453184]

約数ペア:

[(1, 21453184), (2, 10726592), (4, 5363296), (8, 2681648), (16, 1340824), (17, 1261952), (32, 670412), (34, 630976), (64, 335206), (68, 315488), (128, 167603), (136, 157744), (272, 78872), (544, 39436), (1088, 19718), (2176, 9859)]