21861245949

素因数分解:

$3^1\times {\mathrm{587}}^1\times {\mathrm{907}}^1\times {\mathrm{13687}}^1$

素因数の和:15184

約数の個数: 16

約数和(自身を含む): 29232311808

約数和(自身を除く): 7371065859

約数列:

[1, 3, 587, 907, 1761, 2721, 13687, 41061, 532409, 1597227, 8034269, 12414109, 24102807, 37242327, 7287081983, 21861245949]

約数ペア:

[(1, 21861245949), (3, 7287081983), (587, 37242327), (907, 24102807), (1761, 12414109), (2721, 8034269), (13687, 1597227), (41061, 532409)]