21864070

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53327}}^1$

素因数の和:53375

約数の個数: 16

約数和(自身を含む): 40315968

約数和(自身を除く): 18451898

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 53327, 106654, 266635, 533270, 2186407, 4372814, 10932035, 21864070]

約数ペア:

[(1, 21864070), (2, 10932035), (5, 4372814), (10, 2186407), (41, 533270), (82, 266635), (205, 106654), (410, 53327)]