21637256

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2029}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 42873600

約数和(自身を除く): 21236344

約数列:

[1, 2, 4, 8, 31, 43, 62, 86, 124, 172, 248, 344, 1333, 2029, 2666, 4058, 5332, 8116, 10664, 16232, 62899, 87247, 125798, 174494, 251596, 348988, 503192, 697976, 2704657, 5409314, 10818628, 21637256]

約数ペア:

[(1, 21637256), (2, 10818628), (4, 5409314), (8, 2704657), (31, 697976), (43, 503192), (62, 348988), (86, 251596), (124, 174494), (172, 125798), (248, 87247), (344, 62899), (1333, 16232), (2029, 10664), (2666, 8116), (4058, 5332)]