21439496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8963}}^1$

素因数の和:9005

約数の個数: 32

約数和(自身を含む): 45178560

約数和(自身を除く): 23739064

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 8963, 17926, 35852, 71704, 116519, 206149, 233038, 412298, 466076, 824596, 932152, 1649192, 2679937, 5359874, 10719748, 21439496]

約数ペア:

[(1, 21439496), (2, 10719748), (4, 5359874), (8, 2679937), (13, 1649192), (23, 932152), (26, 824596), (46, 466076), (52, 412298), (92, 233038), (104, 206149), (184, 116519), (299, 71704), (598, 35852), (1196, 17926), (2392, 8963)]