21167389449

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{140071}}^1$

素因数の和:140302

約数の個数: 32

約数和(自身を含む): 32608761600

約数和(自身を除く): 11441372151

約数列:

[1, 3, 9, 27, 29, 87, 193, 261, 579, 783, 1737, 5211, 5597, 16791, 50373, 140071, 151119, 420213, 1260639, 3781917, 4062059, 12186177, 27033703, 36558531, 81101109, 109675593, 243303327, 729909981, 783977387, 2351932161, 7055796483, 21167389449]

約数ペア:

[(1, 21167389449), (3, 7055796483), (9, 2351932161), (27, 783977387), (29, 729909981), (87, 243303327), (193, 109675593), (261, 81101109), (579, 36558531), (783, 27033703), (1737, 12186177), (5211, 4062059), (5597, 3781917), (16791, 1260639), (50373, 420213), (140071, 151119)]