21493086

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{155747}}^1$

素因数の和:155775

約数の個数: 16

約数和(自身を含む): 44855424

約数和(自身を除く): 23362338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 155747, 311494, 467241, 934482, 3582181, 7164362, 10746543, 21493086]

約数ペア:

[(1, 21493086), (2, 10746543), (3, 7164362), (6, 3582181), (23, 934482), (46, 467241), (69, 311494), (138, 155747)]