21519592

素因数分解:

$2^3\times {\mathrm{1153}}^1\times {\mathrm{2333}}^1$

素因数の和:3492

約数の個数: 16

約数和(自身を含む): 40401540

約数和(自身を除く): 18881948

約数列:

[1, 2, 4, 8, 1153, 2306, 2333, 4612, 4666, 9224, 9332, 18664, 2689949, 5379898, 10759796, 21519592]

約数ペア:

[(1, 21519592), (2, 10759796), (4, 5379898), (8, 2689949), (1153, 18664), (2306, 9332), (2333, 9224), (4612, 4666)]