21196638

素因数分解:

$2^1\times 3^2\times {\mathrm{211}}^1\times {\mathrm{5581}}^1$

素因数の和:5800

約数の個数: 24

約数和(自身を含む): 46151976

約数和(自身を除く): 24955338

約数列:

[1, 2, 3, 6, 9, 18, 211, 422, 633, 1266, 1899, 3798, 5581, 11162, 16743, 33486, 50229, 100458, 1177591, 2355182, 3532773, 7065546, 10598319, 21196638]

約数ペア:

[(1, 21196638), (2, 10598319), (3, 7065546), (6, 3532773), (9, 2355182), (18, 1177591), (211, 100458), (422, 50229), (633, 33486), (1266, 16743), (1899, 11162), (3798, 5581)]