21915693813

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1\times {\mathrm{22567}}^1$

素因数の和:23293

約数の個数: 32

約数和(自身を含む): 32368650496

約数和(自身を除く): 10452956683

約数列:

[1, 3, 13, 37, 39, 111, 481, 673, 1443, 2019, 8749, 22567, 24901, 26247, 67701, 74703, 293371, 323713, 834979, 880113, 971139, 2504937, 10854727, 15187591, 32564181, 45562773, 197438683, 561940867, 592316049, 1685822601, 7305231271, 21915693813]

約数ペア:

[(1, 21915693813), (3, 7305231271), (13, 1685822601), (37, 592316049), (39, 561940867), (111, 197438683), (481, 45562773), (673, 32564181), (1443, 15187591), (2019, 10854727), (8749, 2504937), (22567, 971139), (24901, 880113), (26247, 834979), (67701, 323713), (74703, 293371)]