21776706

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{431}}^1$

素因数の和:847

約数の個数: 48

約数和(自身を含む): 54183168

約数和(自身を除く): 32406462

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 401, 431, 802, 862, 1203, 1293, 2406, 2586, 2807, 3017, 3609, 3879, 5614, 6034, 7218, 7758, 8421, 9051, 16842, 18102, 25263, 27153, 50526, 54306, 172831, 345662, 518493, 1036986, 1209817, 1555479, 2419634, 3110958, 3629451, 7258902, 10888353, 21776706]

約数ペア:

[(1, 21776706), (2, 10888353), (3, 7258902), (6, 3629451), (7, 3110958), (9, 2419634), (14, 1555479), (18, 1209817), (21, 1036986), (42, 518493), (63, 345662), (126, 172831), (401, 54306), (431, 50526), (802, 27153), (862, 25263), (1203, 18102), (1293, 16842), (2406, 9051), (2586, 8421), (2807, 7758), (3017, 7218), (3609, 6034), (3879, 5614)]