202121210

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{154291}}^1$

素因数の和:154429

約数の個数: 16

約数和(自身を含む): 366597792

約数和(自身を除く): 164476582

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 154291, 308582, 771455, 1542910, 20212121, 40424242, 101060605, 202121210]

約数ペア:

[(1, 202121210), (2, 101060605), (5, 40424242), (10, 20212121), (131, 1542910), (262, 771455), (655, 308582), (1310, 154291)]