21218448

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{26003}}^1$

素因数の和:26031

約数の個数: 40

約数和(自身を含む): 58040928

約数和(自身を除く): 36822480

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 26003, 52006, 78009, 104012, 156018, 208024, 312036, 416048, 442051, 624072, 884102, 1248144, 1326153, 1768204, 2652306, 3536408, 5304612, 7072816, 10609224, 21218448]

約数ペア:

[(1, 21218448), (2, 10609224), (3, 7072816), (4, 5304612), (6, 3536408), (8, 2652306), (12, 1768204), (16, 1326153), (17, 1248144), (24, 884102), (34, 624072), (48, 442051), (51, 416048), (68, 312036), (102, 208024), (136, 156018), (204, 104012), (272, 78009), (408, 52006), (816, 26003)]