21645195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10091}}^1$

素因数の和:10123

約数の個数: 32

約数和(自身を含む): 40690944

約数和(自身を除く): 19045749

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 10091, 30273, 50455, 111001, 131183, 151365, 333003, 393549, 555005, 655915, 1443013, 1665015, 1967745, 4329039, 7215065, 21645195]

約数ペア:

[(1, 21645195), (3, 7215065), (5, 4329039), (11, 1967745), (13, 1665015), (15, 1443013), (33, 655915), (39, 555005), (55, 393549), (65, 333003), (143, 151365), (165, 131183), (195, 111001), (429, 50455), (715, 30273), (2145, 10091)]