21978078

素因数分解:

$2^1\times 3^1\times {\mathrm{1453}}^1\times {\mathrm{2521}}^1$

素因数の和:3979

約数の個数: 16

約数和(自身を含む): 44003856

約数和(自身を除く): 22025778

約数列:

[1, 2, 3, 6, 1453, 2521, 2906, 4359, 5042, 7563, 8718, 15126, 3663013, 7326026, 10989039, 21978078]

約数ペア:

[(1, 21978078), (2, 10989039), (3, 7326026), (6, 3663013), (1453, 15126), (2521, 8718), (2906, 7563), (4359, 5042)]