21105424

素因数分解:

$2^4\times {\mathrm{619}}^1\times {\mathrm{2131}}^1$

素因数の和:2758

約数の個数: 20

約数和(自身を含む): 40977040

約数和(自身を除く): 19871616

約数列:

[1, 2, 4, 8, 16, 619, 1238, 2131, 2476, 4262, 4952, 8524, 9904, 17048, 34096, 1319089, 2638178, 5276356, 10552712, 21105424]

約数ペア:

[(1, 21105424), (2, 10552712), (4, 5276356), (8, 2638178), (16, 1319089), (619, 34096), (1238, 17048), (2131, 9904), (2476, 8524), (4262, 4952)]