21963544

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{144497}}^1$

素因数の和:144522

約数の個数: 16

約数和(自身を含む): 43349400

約数和(自身を除く): 21385856

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 144497, 288994, 577988, 1155976, 2745443, 5490886, 10981772, 21963544]

約数ペア:

[(1, 21963544), (2, 10981772), (4, 5490886), (8, 2745443), (19, 1155976), (38, 577988), (76, 288994), (152, 144497)]