21748576

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39979}}^1$

素因数の和:40006

約数の個数: 24

約数和(自身を含む): 45337320

約数和(自身を除く): 23588744

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39979, 79958, 159916, 319832, 639664, 679643, 1279328, 1359286, 2718572, 5437144, 10874288, 21748576]

約数ペア:

[(1, 21748576), (2, 10874288), (4, 5437144), (8, 2718572), (16, 1359286), (17, 1279328), (32, 679643), (34, 639664), (68, 319832), (136, 159916), (272, 79958), (544, 39979)]