21092793

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2357}}^1$

素因数の和:2536

約数の個数: 16

約数和(自身を含む): 29805120

約数和(自身を除く): 8712327

約数列:

[1, 3, 19, 57, 157, 471, 2357, 2983, 7071, 8949, 44783, 134349, 370049, 1110147, 7030931, 21092793]

約数ペア:

[(1, 21092793), (3, 7030931), (19, 1110147), (57, 370049), (157, 134349), (471, 44783), (2357, 8949), (2983, 7071)]