21005536407

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{13049}}^1\times {\mathrm{6029}}^1$

素因数の和:19170

約数の個数: 16

約数和(自身を含む): 28328940000

約数和(自身を除く): 7323403593

約数列:

[1, 3, 89, 267, 6029, 13049, 18087, 39147, 536581, 1161361, 1609743, 3484083, 78672421, 236017263, 7001845469, 21005536407]

約数ペア:

[(1, 21005536407), (3, 7001845469), (89, 236017263), (267, 78672421), (6029, 3484083), (13049, 1609743), (18087, 1161361), (39147, 536581)]