21163207

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1823}}^1$

素因数の和:1902

約数の個数: 16

約数和(自身を含む): 24514560

約数和(自身を除く): 3351353

約数列:

[1, 13, 19, 47, 247, 611, 893, 1823, 11609, 23699, 34637, 85681, 450281, 1113853, 1627939, 21163207]

約数ペア:

[(1, 21163207), (13, 1627939), (19, 1113853), (47, 450281), (247, 85681), (611, 34637), (893, 23699), (1823, 11609)]