21000736515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127277191}}^1$

素因数の和:127277210

約数の個数: 16

約数和(自身を含む): 36655831296

約数和(自身を除く): 15655094781

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 127277191, 381831573, 636385955, 1400049101, 1909157865, 4200147303, 7000245505, 21000736515]

約数ペア:

[(1, 21000736515), (3, 7000245505), (5, 4200147303), (11, 1909157865), (15, 1400049101), (33, 636385955), (55, 381831573), (165, 127277191)]