21167741889

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7148849}}^1$

素因数の和:7148909

約数の個数: 24

約数和(自身を含む): 35687059200

約数和(自身を除く): 14519317311

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 7148849, 21446547, 50041943, 64339641, 150125829, 335995903, 450377487, 1007987709, 2351971321, 3023963127, 7055913963, 21167741889]

約数ペア:

[(1, 21167741889), (3, 7055913963), (7, 3023963127), (9, 2351971321), (21, 1007987709), (47, 450377487), (63, 335995903), (141, 150125829), (329, 64339641), (423, 50041943), (987, 21446547), (2961, 7148849)]