21583874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 36664320

約数和(自身を除く): 15080446

約数列:

[1, 2, 13, 26, 31, 61, 62, 122, 403, 439, 793, 806, 878, 1586, 1891, 3782, 5707, 11414, 13609, 24583, 26779, 27218, 49166, 53558, 176917, 348127, 353834, 696254, 830149, 1660298, 10791937, 21583874]

約数ペア:

[(1, 21583874), (2, 10791937), (13, 1660298), (26, 830149), (31, 696254), (61, 353834), (62, 348127), (122, 176917), (403, 53558), (439, 49166), (793, 27218), (806, 26779), (878, 24583), (1586, 13609), (1891, 11414), (3782, 5707)]