21131189427

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1\times {\mathrm{499}}^1\times {\mathrm{571}}^1$

素因数の和:1551

約数の個数: 32

約数和(自身を含む): 28828800000

約数和(自身を除く): 7697610573

約数列:

[1, 3, 59, 177, 419, 499, 571, 1257, 1497, 1713, 24721, 29441, 33689, 74163, 88323, 101067, 209081, 239249, 284929, 627243, 717747, 854787, 12335779, 14115691, 16810811, 37007337, 42347073, 50432433, 119385251, 358155753, 7043729809, 21131189427]

約数ペア:

[(1, 21131189427), (3, 7043729809), (59, 358155753), (177, 119385251), (419, 50432433), (499, 42347073), (571, 37007337), (1257, 16810811), (1497, 14115691), (1713, 12335779), (24721, 854787), (29441, 717747), (33689, 627243), (74163, 284929), (88323, 239249), (101067, 209081)]