21356494

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{1009}}^1$

素因数の和:1587

約数の個数: 16

約数和(自身を含む): 33814800

約数和(自身を除く): 12458306

約数列:

[1, 2, 19, 38, 557, 1009, 1114, 2018, 10583, 19171, 21166, 38342, 562013, 1124026, 10678247, 21356494]

約数ペア:

[(1, 21356494), (2, 10678247), (19, 1124026), (38, 562013), (557, 38342), (1009, 21166), (1114, 19171), (2018, 10583)]