21842318

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{1409}}^1$

素因数の和:1771

約数の個数: 16

約数和(自身を含む): 34313760

約数和(自身を除く): 12471442

約数列:

[1, 2, 23, 46, 337, 674, 1409, 2818, 7751, 15502, 32407, 64814, 474833, 949666, 10921159, 21842318]

約数ペア:

[(1, 21842318), (2, 10921159), (23, 949666), (46, 474833), (337, 64814), (674, 32407), (1409, 15502), (2818, 7751)]