21961868

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{829}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 39740400

約数和(自身を除く): 17778532

約数列:

[1, 2, 4, 37, 74, 148, 179, 358, 716, 829, 1658, 3316, 6623, 13246, 26492, 30673, 61346, 122692, 148391, 296782, 593564, 5490467, 10980934, 21961868]

約数ペア:

[(1, 21961868), (2, 10980934), (4, 5490467), (37, 593564), (74, 296782), (148, 148391), (179, 122692), (358, 61346), (716, 30673), (829, 26492), (1658, 13246), (3316, 6623)]