21787574

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{5879}}^1$

素因数の和:6007

約数の個数: 16

約数和(自身を含む): 34927200

約数和(自身を除く): 13139626

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3706, 5879, 11758, 99943, 199886, 640811, 1281622, 10893787, 21787574]

約数ペア:

[(1, 21787574), (2, 10893787), (17, 1281622), (34, 640811), (109, 199886), (218, 99943), (1853, 11758), (3706, 5879)]