21167243210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{49226147}}^1$

素因数の和:49226197

約数の個数: 16

約数和(自身を含む): 38987109216

約数和(自身を除く): 17819866006

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 49226147, 98452294, 246130735, 492261470, 2116724321, 4233448642, 10583621605, 21167243210]

約数ペア:

[(1, 21167243210), (2, 10583621605), (5, 4233448642), (10, 2116724321), (43, 492261470), (86, 246130735), (215, 98452294), (430, 49226147)]