21000612393

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{8739331}}^1$

素因数の和:8739429

約数の個数: 16

約数和(自身を含む): 31461595200

約数和(自身を除く): 10460982807

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 8739331, 26217993, 78653979, 235961937, 777800459, 2333401377, 7000204131, 21000612393]

約数ペア:

[(1, 21000612393), (3, 7000204131), (9, 2333401377), (27, 777800459), (89, 235961937), (267, 78653979), (801, 26217993), (2403, 8739331)]