21554776

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{9323}}^1$

素因数の和:9363

約数の個数: 24

約数和(自身を含む): 42937020

約数和(自身を除く): 21382244

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 9323, 18646, 37292, 74584, 158491, 316982, 633964, 1267928, 2694347, 5388694, 10777388, 21554776]

約数ペア:

[(1, 21554776), (2, 10777388), (4, 5388694), (8, 2694347), (17, 1267928), (34, 633964), (68, 316982), (136, 158491), (289, 74584), (578, 37292), (1156, 18646), (2312, 9323)]