21915671141

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1699}}^1\times {\mathrm{6163}}^1$

素因数の和:7905

約数の個数: 32

約数和(自身を含む): 28167014400

約数和(自身を除く): 6251343259

約数列:

[1, 7, 13, 23, 91, 161, 299, 1699, 2093, 6163, 11893, 22087, 39077, 43141, 80119, 141749, 154609, 273539, 508001, 560833, 992243, 1842737, 3556007, 10470937, 12899159, 73296559, 136122181, 240831551, 952855267, 1685820857, 3130810163, 21915671141]

約数ペア:

[(1, 21915671141), (7, 3130810163), (13, 1685820857), (23, 952855267), (91, 240831551), (161, 136122181), (299, 73296559), (1699, 12899159), (2093, 10470937), (6163, 3556007), (11893, 1842737), (22087, 992243), (39077, 560833), (43141, 508001), (80119, 273539), (141749, 154609)]