21904084072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4898051}}^1$

素因数の和:4898113

約数の個数: 32

約数和(自身を含む): 45258000480

約数和(自身を除く): 23353916408

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 4898051, 9796102, 19592204, 39184408, 63674663, 127349326, 210616193, 254698652, 421232386, 509397304, 842464772, 1684929544, 2738010509, 5476021018, 10952042036, 21904084072]

約数ペア:

[(1, 21904084072), (2, 10952042036), (4, 5476021018), (8, 2738010509), (13, 1684929544), (26, 842464772), (43, 509397304), (52, 421232386), (86, 254698652), (104, 210616193), (172, 127349326), (344, 63674663), (559, 39184408), (1118, 19592204), (2236, 9796102), (4472, 4898051)]