21763378

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{607}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 40449024

約数和(自身を除く): 18685646

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 197, 394, 607, 1214, 1379, 2561, 2758, 4249, 5122, 7891, 8498, 15782, 17927, 35854, 55237, 110474, 119579, 239158, 837053, 1554527, 1674106, 3109054, 10881689, 21763378]

約数ペア:

[(1, 21763378), (2, 10881689), (7, 3109054), (13, 1674106), (14, 1554527), (26, 837053), (91, 239158), (182, 119579), (197, 110474), (394, 55237), (607, 35854), (1214, 17927), (1379, 15782), (2561, 8498), (2758, 7891), (4249, 5122)]