21409964

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{7507}}^1$

素因数の和:7565

約数の個数: 24

約数和(自身を含む): 40363008

約数和(自身を除く): 18953044

約数列:

[1, 2, 4, 23, 31, 46, 62, 92, 124, 713, 1426, 2852, 7507, 15014, 30028, 172661, 232717, 345322, 465434, 690644, 930868, 5352491, 10704982, 21409964]

約数ペア:

[(1, 21409964), (2, 10704982), (4, 5352491), (23, 930868), (31, 690644), (46, 465434), (62, 345322), (92, 232717), (124, 172661), (713, 30028), (1426, 15014), (2852, 7507)]