21502923

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{11731}}^1$

素因数の和:11794

約数の個数: 16

約数和(自身を含む): 31535616

約数和(自身を除く): 10032693

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 11731, 35193, 152503, 457509, 551357, 1654071, 7167641, 21502923]

約数ペア:

[(1, 21502923), (3, 7167641), (13, 1654071), (39, 551357), (47, 457509), (141, 152503), (611, 35193), (1833, 11731)]