21167763664

素因数分解:

$2^4\times {\mathrm{48889}}^1\times {\mathrm{27061}}^1$

素因数の和:75958

約数の個数: 20

約数和(自身を含む): 41014896580

約数和(自身を除く): 19847132916

約数列:

[1, 2, 4, 8, 16, 27061, 48889, 54122, 97778, 108244, 195556, 216488, 391112, 432976, 782224, 1322985229, 2645970458, 5291940916, 10583881832, 21167763664]

約数ペア:

[(1, 21167763664), (2, 10583881832), (4, 5291940916), (8, 2645970458), (16, 1322985229), (27061, 782224), (48889, 432976), (54122, 391112), (97778, 216488), (108244, 195556)]