21432858

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 43929600

約数和(自身を除く): 22496742

約数列:

[1, 2, 3, 6, 79, 103, 158, 206, 237, 309, 439, 474, 618, 878, 1317, 2634, 8137, 16274, 24411, 34681, 45217, 48822, 69362, 90434, 104043, 135651, 208086, 271302, 3572143, 7144286, 10716429, 21432858]

約数ペア:

[(1, 21432858), (2, 10716429), (3, 7144286), (6, 3572143), (79, 271302), (103, 208086), (158, 135651), (206, 104043), (237, 90434), (309, 69362), (439, 48822), (474, 45217), (618, 34681), (878, 24411), (1317, 16274), (2634, 8137)]