21245092

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2791}}^1$

素因数の和:2979

約数の個数: 24

約数和(自身を含む): 40807872

約数和(自身を除く): 19562780

約数列:

[1, 2, 4, 11, 22, 44, 173, 346, 692, 1903, 2791, 3806, 5582, 7612, 11164, 30701, 61402, 122804, 482843, 965686, 1931372, 5311273, 10622546, 21245092]

約数ペア:

[(1, 21245092), (2, 10622546), (4, 5311273), (11, 1931372), (22, 965686), (44, 482843), (173, 122804), (346, 61402), (692, 30701), (1903, 11164), (2791, 7612), (3806, 5582)]