21782455

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{6197}}^1$

素因数の和:6258

約数の個数: 16

約数和(自身を含む): 28262880

約数和(自身を除く): 6480425

約数列:

[1, 5, 19, 37, 95, 185, 703, 3515, 6197, 30985, 117743, 229289, 588715, 1146445, 4356491, 21782455]

約数ペア:

[(1, 21782455), (5, 4356491), (19, 1146445), (37, 588715), (95, 229289), (185, 117743), (703, 30985), (3515, 6197)]