21367761

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1637}}^1$

素因数の和:1888

約数の個数: 16

約数和(自身を含む): 30139200

約数和(自身を除く): 8771439

約数列:

[1, 3, 19, 57, 229, 687, 1637, 4351, 4911, 13053, 31103, 93309, 374873, 1124619, 7122587, 21367761]

約数ペア:

[(1, 21367761), (3, 7122587), (19, 1124619), (57, 374873), (229, 93309), (687, 31103), (1637, 13053), (4351, 4911)]