21653304378

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{153563}}^1$

素因数の和:153970

約数の個数: 32

約数和(自身を含む): 44049526272

約数和(自身を除く): 22396221894

約数列:

[1, 2, 3, 6, 71, 142, 213, 331, 426, 662, 993, 1986, 23501, 47002, 70503, 141006, 153563, 307126, 460689, 921378, 10902973, 21805946, 32708919, 50829353, 65417838, 101658706, 152488059, 304976118, 3608884063, 7217768126, 10826652189, 21653304378]

約数ペア:

[(1, 21653304378), (2, 10826652189), (3, 7217768126), (6, 3608884063), (71, 304976118), (142, 152488059), (213, 101658706), (331, 65417838), (426, 50829353), (662, 32708919), (993, 21805946), (1986, 10902973), (23501, 921378), (47002, 460689), (70503, 307126), (141006, 153563)]