21411070

素因数分解:

$2^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{12821}}^1$

素因数の和:12995

約数の個数: 16

約数和(自身を含む): 38773728

約数和(自身を除く): 17362658

約数列:

[1, 2, 5, 10, 167, 334, 835, 1670, 12821, 25642, 64105, 128210, 2141107, 4282214, 10705535, 21411070]

約数ペア:

[(1, 21411070), (2, 10705535), (5, 4282214), (10, 2141107), (167, 128210), (334, 64105), (835, 25642), (1670, 12821)]