21517376

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19777}}^1$

素因数の和:19806

約数の個数: 28

約数和(自身を含む): 45212508

約数和(自身を除く): 23695132

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19777, 39554, 79108, 158216, 316432, 336209, 632864, 672418, 1265728, 1344836, 2689672, 5379344, 10758688, 21517376]

約数ペア:

[(1, 21517376), (2, 10758688), (4, 5379344), (8, 2689672), (16, 1344836), (17, 1265728), (32, 672418), (34, 632864), (64, 336209), (68, 316432), (136, 158216), (272, 79108), (544, 39554), (1088, 19777)]