21435309

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{3011}}^1$

素因数の和:3137

約数の個数: 24

約数和(自身を含む): 35710272

約数和(自身を除く): 14274963

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 791, 1017, 2373, 3011, 7119, 9033, 21077, 27099, 63231, 189693, 340243, 1020729, 2381701, 3062187, 7145103, 21435309]

約数ペア:

[(1, 21435309), (3, 7145103), (7, 3062187), (9, 2381701), (21, 1020729), (63, 340243), (113, 189693), (339, 63231), (791, 27099), (1017, 21077), (2373, 9033), (3011, 7119)]