21045045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5417}}^1$

素因数の和:5469

約数の個数: 32

約数和(自身を含む): 39529728

約数和(自身を除く): 18484683

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295, 3885, 5417, 16251, 27085, 37919, 81255, 113757, 189595, 200429, 568785, 601287, 1002145, 1403003, 3006435, 4209009, 7015015, 21045045]

約数ペア:

[(1, 21045045), (3, 7015015), (5, 4209009), (7, 3006435), (15, 1403003), (21, 1002145), (35, 601287), (37, 568785), (105, 200429), (111, 189595), (185, 113757), (259, 81255), (555, 37919), (777, 27085), (1295, 16251), (3885, 5417)]