21053104

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{8831}}^1$

素因数の和:8988

約数の個数: 20

約数和(自身を含む): 41068800

約数和(自身を除く): 20015696

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 8831, 17662, 35324, 70648, 141296, 1315819, 2631638, 5263276, 10526552, 21053104]

約数ペア:

[(1, 21053104), (2, 10526552), (4, 5263276), (8, 2631638), (16, 1315819), (149, 141296), (298, 70648), (596, 35324), (1192, 17662), (2384, 8831)]