21064179

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{12743}}^1$

素因数の和:12794

約数の個数: 16

約数和(自身を含む): 30585600

約数和(自身を除く): 9521421

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 12743, 38229, 242117, 369547, 726351, 1108641, 7021393, 21064179]

約数ペア:

[(1, 21064179), (3, 7021393), (19, 1108641), (29, 726351), (57, 369547), (87, 242117), (551, 38229), (1653, 12743)]