21000984038

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1\times {\mathrm{20431}}^1$

素因数の和:20804

約数の個数: 32

約数和(自身を含む): 33188106240

約数和(自身を除く): 12187122202

約数列:

[1, 2, 31, 59, 62, 118, 281, 562, 1829, 3658, 8711, 16579, 17422, 20431, 33158, 40862, 513949, 633361, 1027898, 1205429, 1266722, 2410858, 5741111, 11482222, 37368299, 74736598, 177974441, 338725549, 355948882, 677451098, 10500492019, 21000984038]

約数ペア:

[(1, 21000984038), (2, 10500492019), (31, 677451098), (59, 355948882), (62, 338725549), (118, 177974441), (281, 74736598), (562, 37368299), (1829, 11482222), (3658, 5741111), (8711, 2410858), (16579, 1266722), (17422, 1205429), (20431, 1027898), (33158, 633361), (40862, 513949)]