21076395

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61091}}^1$

素因数の和:61122

約数の個数: 16

約数和(自身を含む): 35188992

約数和(自身を除く): 14112597

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 61091, 183273, 305455, 916365, 1405093, 4215279, 7025465, 21076395]

約数ペア:

[(1, 21076395), (3, 7025465), (5, 4215279), (15, 1405093), (23, 916365), (69, 305455), (115, 183273), (345, 61091)]