21036697941

素因数分解:

$3^1\times 7^1\times {\mathrm{743}}^1\times {\mathrm{1348247}}^1$

素因数の和:1349000

約数の個数: 16

約数和(自身を含む): 32099088384

約数和(自身を除く): 11062390443

約数列:

[1, 3, 7, 21, 743, 2229, 5201, 15603, 1348247, 4044741, 9437729, 28313187, 1001747521, 3005242563, 7012232647, 21036697941]

約数ペア:

[(1, 21036697941), (3, 7012232647), (7, 3005242563), (21, 1001747521), (743, 28313187), (2229, 9437729), (5201, 4044741), (15603, 1348247)]