21519058

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51481}}^1$

素因数の和:51513

約数の個数: 16

約数和(自身を含む): 37067040

約数和(自身を除く): 15547982

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51481, 102962, 566291, 978139, 1132582, 1956278, 10759529, 21519058]

約数ペア:

[(1, 21519058), (2, 10759529), (11, 1956278), (19, 1132582), (22, 978139), (38, 566291), (209, 102962), (418, 51481)]