21463521

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6173}}^1$

素因数の和:6256

約数の個数: 16

約数和(自身を含む): 30623040

約数和(自身を除く): 9159519

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 6173, 18519, 117287, 351861, 376553, 1129659, 7154507, 21463521]

約数ペア:

[(1, 21463521), (3, 7154507), (19, 1129659), (57, 376553), (61, 351861), (183, 117287), (1159, 18519), (3477, 6173)]