21116463

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:862

約数の個数: 16

約数和(自身を含む): 28761600

約数和(自身を除く): 7645137

約数列:

[1, 3, 79, 139, 237, 417, 641, 1923, 10981, 32943, 50639, 89099, 151917, 267297, 7038821, 21116463]

約数ペア:

[(1, 21116463), (3, 7038821), (79, 267297), (139, 151917), (237, 89099), (417, 50639), (641, 32943), (1923, 10981)]