21347342

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4517}}^1$

素因数の和:4675

約数の個数: 16

約数和(自身を含む): 34156080

約数和(自身を除く): 12808738

約数列:

[1, 2, 17, 34, 139, 278, 2363, 4517, 4726, 9034, 76789, 153578, 627863, 1255726, 10673671, 21347342]

約数ペア:

[(1, 21347342), (2, 10673671), (17, 1255726), (34, 627863), (139, 153578), (278, 76789), (2363, 9034), (4517, 4726)]