21134401215

素因数分解:

$3^1\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{1203211}}^1$

素因数の和:1204390

約数の個数: 16

約数和(自身を含む): 33843947136

約数和(自身を除く): 12709545921

約数列:

[1, 3, 5, 15, 1171, 3513, 5855, 17565, 1203211, 3609633, 6016055, 18048165, 1408960081, 4226880243, 7044800405, 21134401215]

約数ペア:

[(1, 21134401215), (3, 7044800405), (5, 4226880243), (15, 1408960081), (1171, 18048165), (3513, 6016055), (5855, 3609633), (17565, 1203211)]