21226394

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{28607}}^1$

素因数の和:28669

約数の個数: 16

約数和(自身を含む): 37075968

約数和(自身を除く): 15849574

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 28607, 57214, 200249, 400498, 1516171, 3032342, 10613197, 21226394]

約数ペア:

[(1, 21226394), (2, 10613197), (7, 3032342), (14, 1516171), (53, 400498), (106, 200249), (371, 57214), (742, 28607)]