21656434

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{601}}^1$

素因数の和:1065

約数の個数: 16

約数和(自身を含む): 33374880

約数和(自身を除く): 11718446

約数列:

[1, 2, 43, 86, 419, 601, 838, 1202, 18017, 25843, 36034, 51686, 251819, 503638, 10828217, 21656434]

約数ペア:

[(1, 21656434), (2, 10828217), (43, 503638), (86, 251819), (419, 51686), (601, 36034), (838, 25843), (1202, 18017)]