21696843

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1549}}^1$

素因数の和:1611

約数の個数: 32

約数和(自身を含む): 35712000

約数和(自身を除く): 14015157

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 1549, 2001, 4647, 4669, 10843, 14007, 32529, 35627, 44921, 106881, 134763, 249389, 314447, 748167, 943341, 1033183, 3099549, 7232281, 21696843]

約数ペア:

[(1, 21696843), (3, 7232281), (7, 3099549), (21, 1033183), (23, 943341), (29, 748167), (69, 314447), (87, 249389), (161, 134763), (203, 106881), (483, 44921), (609, 35627), (667, 32529), (1549, 14007), (2001, 10843), (4647, 4669)]