21131440605

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3880889}}^1$

素因数の和:3880922

約数の個数: 36

約数和(自身を含む): 40260352860

約数和(自身を除く): 19128912255

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 495, 605, 1089, 1815, 5445, 3880889, 11642667, 19404445, 34928001, 42689779, 58213335, 128069337, 174640005, 213448895, 384208011, 469587569, 640346685, 1408762707, 1921040055, 2347937845, 4226288121, 7043813535, 21131440605]

約数ペア:

[(1, 21131440605), (3, 7043813535), (5, 4226288121), (9, 2347937845), (11, 1921040055), (15, 1408762707), (33, 640346685), (45, 469587569), (55, 384208011), (99, 213448895), (121, 174640005), (165, 128069337), (363, 58213335), (495, 42689779), (605, 34928001), (1089, 19404445), (1815, 11642667), (5445, 3880889)]