21010964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{13933}}^1$

素因数の和:13979

約数の個数: 24

約数和(自身を含む): 40965960

約数和(自身を除く): 19954996

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 13933, 27866, 55732, 181129, 362258, 404057, 724516, 808114, 1616228, 5252741, 10505482, 21010964]

約数ペア:

[(1, 21010964), (2, 10505482), (4, 5252741), (13, 1616228), (26, 808114), (29, 724516), (52, 404057), (58, 362258), (116, 181129), (377, 55732), (754, 27866), (1508, 13933)]