21000313331

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{293723}}^1$

素因数の和:293866

約数の個数: 16

約数和(自身を含む): 22839978240

約数和(自身を除く): 1839664909

約数列:

[1, 19, 53, 71, 1007, 1349, 3763, 71497, 293723, 5580737, 15567319, 20854333, 295779061, 396232327, 1105279649, 21000313331]

約数ペア:

[(1, 21000313331), (19, 1105279649), (53, 396232327), (71, 295779061), (1007, 20854333), (1349, 15567319), (3763, 5580737), (71497, 293723)]