21367996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2521}}^1$

素因数の和:2701

約数の個数: 24

約数和(自身を含む): 40533584

約数和(自身を除く): 19165588

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 2521, 4238, 5042, 8476, 10084, 32773, 65546, 131092, 410923, 821846, 1643692, 5341999, 10683998, 21367996]

約数ペア:

[(1, 21367996), (2, 10683998), (4, 5341999), (13, 1643692), (26, 821846), (52, 410923), (163, 131092), (326, 65546), (652, 32773), (2119, 10084), (2521, 8476), (4238, 5042)]