21192638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{15073}}^1$

素因数の和:15131

約数の個数: 16

約数和(自身を含む): 34368720

約数和(自身を除く): 13176082

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 15073, 30146, 286387, 557701, 572774, 1115402, 10596319, 21192638]

約数ペア:

[(1, 21192638), (2, 10596319), (19, 1115402), (37, 572774), (38, 557701), (74, 286387), (703, 30146), (1406, 15073)]