21777112

素因数分解:

$2^3\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1669}}^1$

素因数の和:1915

約数の個数: 32

約数和(自身を含む): 46893600

約数和(自身を除く): 25116488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 233, 466, 932, 1631, 1669, 1864, 3262, 3338, 6524, 6676, 11683, 13048, 13352, 23366, 46732, 93464, 388877, 777754, 1555508, 2722139, 3111016, 5444278, 10888556, 21777112]

約数ペア:

[(1, 21777112), (2, 10888556), (4, 5444278), (7, 3111016), (8, 2722139), (14, 1555508), (28, 777754), (56, 388877), (233, 93464), (466, 46732), (932, 23366), (1631, 13352), (1669, 13048), (1864, 11683), (3262, 6676), (3338, 6524)]