21191452

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1741}}^1$

素因数の和:1941

約数の個数: 24

約数和(自身を含む): 39508560

約数和(自身を除く): 18317108

約数列:

[1, 2, 4, 17, 34, 68, 179, 358, 716, 1741, 3043, 3482, 6086, 6964, 12172, 29597, 59194, 118388, 311639, 623278, 1246556, 5297863, 10595726, 21191452]

約数ペア:

[(1, 21191452), (2, 10595726), (4, 5297863), (17, 1246556), (34, 623278), (68, 311639), (179, 118388), (358, 59194), (716, 29597), (1741, 12172), (3043, 6964), (3482, 6086)]