21011337

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{719}}^1$

素因数の和:933

約数の個数: 24

約数和(自身を含む): 32348160

約数和(自身を除く): 11336823

約数列:

[1, 3, 9, 17, 51, 153, 191, 573, 719, 1719, 2157, 3247, 6471, 9741, 12223, 29223, 36669, 110007, 137329, 411987, 1235961, 2334593, 7003779, 21011337]

約数ペア:

[(1, 21011337), (3, 7003779), (9, 2334593), (17, 1235961), (51, 411987), (153, 137329), (191, 110007), (573, 36669), (719, 29223), (1719, 12223), (2157, 9741), (3247, 6471)]