21754095

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4253}}^1$

素因数の和:4303

約数の個数: 32

約数和(自身を含む): 39204864

約数和(自身を除く): 17450769

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 4253, 5115, 12759, 21265, 46783, 63795, 131843, 140349, 233915, 395529, 659215, 701745, 1450273, 1977645, 4350819, 7251365, 21754095]

約数ペア:

[(1, 21754095), (3, 7251365), (5, 4350819), (11, 1977645), (15, 1450273), (31, 701745), (33, 659215), (55, 395529), (93, 233915), (155, 140349), (165, 131843), (341, 63795), (465, 46783), (1023, 21265), (1705, 12759), (4253, 5115)]