21136465317

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{75079}}^1$

素因数の和:75561

約数の個数: 32

約数和(自身を含む): 32434560000

約数和(自身を除く): 11298094683

約数列:

[1, 3, 11, 19, 33, 57, 209, 449, 627, 1347, 4939, 8531, 14817, 25593, 75079, 93841, 225237, 281523, 825869, 1426501, 2477607, 4279503, 15691511, 33710471, 47074533, 101131413, 370815181, 640498949, 1112445543, 1921496847, 7045488439, 21136465317]

約数ペア:

[(1, 21136465317), (3, 7045488439), (11, 1921496847), (19, 1112445543), (33, 640498949), (57, 370815181), (209, 101131413), (449, 47074533), (627, 33710471), (1347, 15691511), (4939, 4279503), (8531, 2477607), (14817, 1426501), (25593, 825869), (75079, 281523), (93841, 225237)]