21994659

素因数分解:

$3^7\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 33652800

約数和(自身を除く): 11658141

約数列:

[1, 3, 9, 27, 81, 89, 113, 243, 267, 339, 729, 801, 1017, 2187, 2403, 3051, 7209, 9153, 10057, 21627, 27459, 30171, 64881, 82377, 90513, 194643, 247131, 271539, 814617, 2443851, 7331553, 21994659]

約数ペア:

[(1, 21994659), (3, 7331553), (9, 2443851), (27, 814617), (81, 271539), (89, 247131), (113, 194643), (243, 90513), (267, 82377), (339, 64881), (729, 30171), (801, 27459), (1017, 21627), (2187, 10057), (2403, 9153), (3051, 7209)]