21138752

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19429}}^1$

素因数の和:19458

約数の個数: 28

約数和(自身を含む): 44416980

約数和(自身を除く): 23278228

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19429, 38858, 77716, 155432, 310864, 330293, 621728, 660586, 1243456, 1321172, 2642344, 5284688, 10569376, 21138752]

約数ペア:

[(1, 21138752), (2, 10569376), (4, 5284688), (8, 2642344), (16, 1321172), (17, 1243456), (32, 660586), (34, 621728), (64, 330293), (68, 310864), (136, 155432), (272, 77716), (544, 38858), (1088, 19429)]