21704418632

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{208696333}}^1$

素因数の和:208696352

約数の個数: 16

約数和(自身を含む): 43826230140

約数和(自身を除く): 22121811508

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 208696333, 417392666, 834785332, 1669570664, 2713052329, 5426104658, 10852209316, 21704418632]

約数ペア:

[(1, 21704418632), (2, 10852209316), (4, 5426104658), (8, 2713052329), (13, 1669570664), (26, 834785332), (52, 417392666), (104, 208696333)]