21643611

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{21157}}^1$

素因数の和:21202

約数の個数: 16

約数和(自身を含む): 32498688

約数和(自身を除く): 10855077

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 21157, 63471, 232727, 655867, 698181, 1967601, 7214537, 21643611]

約数ペア:

[(1, 21643611), (3, 7214537), (11, 1967601), (31, 698181), (33, 655867), (93, 232727), (341, 63471), (1023, 21157)]