21191792

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{4583}}^1$

素因数の和:4625

約数の個数: 30

約数和(自身を含む): 43625928

約数和(自身を除く): 22434136

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4583, 4624, 9166, 18332, 36664, 73328, 77911, 155822, 311644, 623288, 1246576, 1324487, 2648974, 5297948, 10595896, 21191792]

約数ペア:

[(1, 21191792), (2, 10595896), (4, 5297948), (8, 2648974), (16, 1324487), (17, 1246576), (34, 623288), (68, 311644), (136, 155822), (272, 77911), (289, 73328), (578, 36664), (1156, 18332), (2312, 9166), (4583, 4624)]