21831621

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61153}}^1$

素因数の和:61180

約数の個数: 16

約数和(自身を含む): 35224704

約数和(自身を除く): 13393083

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 61153, 183459, 428071, 1039601, 1284213, 3118803, 7277207, 21831621]

約数ペア:

[(1, 21831621), (3, 7277207), (7, 3118803), (17, 1284213), (21, 1039601), (51, 428071), (119, 183459), (357, 61153)]