21309414

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{72481}}^1$

素因数の和:72500

約数の個数: 24

約数和(自身を含む): 49577688

約数和(自身を除く): 28268274

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 72481, 144962, 217443, 434886, 507367, 1014734, 1522101, 3044202, 3551569, 7103138, 10654707, 21309414]

約数ペア:

[(1, 21309414), (2, 10654707), (3, 7103138), (6, 3551569), (7, 3044202), (14, 1522101), (21, 1014734), (42, 507367), (49, 434886), (98, 217443), (147, 144962), (294, 72481)]