21314840

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{2287}}^1$

素因数の和:2531

約数の個数: 32

約数和(自身を含む): 48185280

約数和(自身を除く): 26870440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2287, 2330, 4574, 4660, 9148, 9320, 11435, 18296, 22870, 45740, 91480, 532871, 1065742, 2131484, 2664355, 4262968, 5328710, 10657420, 21314840]

約数ペア:

[(1, 21314840), (2, 10657420), (4, 5328710), (5, 4262968), (8, 2664355), (10, 2131484), (20, 1065742), (40, 532871), (233, 91480), (466, 45740), (932, 22870), (1165, 18296), (1864, 11435), (2287, 9320), (2330, 9148), (4574, 4660)]