21045137403

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{13469}}^1\times {\mathrm{30637}}^1$

素因数の和:44126

約数の個数: 16

約数和(自身を含む): 29713957920

約数和(自身を除く): 8668820517

約数列:

[1, 3, 17, 51, 13469, 30637, 40407, 91911, 228973, 520829, 686919, 1562487, 412649753, 1237949259, 7015045801, 21045137403]

約数ペア:

[(1, 21045137403), (3, 7015045801), (17, 1237949259), (51, 412649753), (13469, 1562487), (30637, 686919), (40407, 520829), (91911, 228973)]