21026876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17581}}^1$

素因数の和:17621

約数の個数: 24

約数和(自身を含む): 41352864

約数和(自身を除く): 20325988

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 17581, 35162, 70324, 228553, 404363, 457106, 808726, 914212, 1617452, 5256719, 10513438, 21026876]

約数ペア:

[(1, 21026876), (2, 10513438), (4, 5256719), (13, 1617452), (23, 914212), (26, 808726), (46, 457106), (52, 404363), (92, 228553), (299, 70324), (598, 35162), (1196, 17581)]