21874504

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{4909}}^1$

素因数の和:5472

約数の個数: 16

約数和(自身を含む): 41096700

約数和(自身を除く): 19222196

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 4909, 9818, 19636, 39272, 2734313, 5468626, 10937252, 21874504]

約数ペア:

[(1, 21874504), (2, 10937252), (4, 5468626), (8, 2734313), (557, 39272), (1114, 19636), (2228, 9818), (4456, 4909)]