21081501

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14549}}^1$

素因数の和:14585

約数の個数: 24

約数和(自身を含む): 36316800

約数和(自身を除く): 15235299

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14549, 43647, 101843, 130941, 305529, 334627, 916587, 1003881, 2342389, 3011643, 7027167, 21081501]

約数ペア:

[(1, 21081501), (3, 7027167), (7, 3011643), (9, 2342389), (21, 1003881), (23, 916587), (63, 334627), (69, 305529), (161, 130941), (207, 101843), (483, 43647), (1449, 14549)]