21503703

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{19013}}^1$

素因数の和:19058

約数の個数: 16

約数和(自身を含む): 31943520

約数和(自身を除く): 10439817

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 19013, 57039, 247169, 551377, 741507, 1654131, 7167901, 21503703]

約数ペア:

[(1, 21503703), (3, 7167901), (13, 1654131), (29, 741507), (39, 551377), (87, 247169), (377, 57039), (1131, 19013)]