21151036361

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1831}}^1\times {\mathrm{2081}}^1$

素因数の和:3993

約数の個数: 32

約数和(自身を含む): 26485971456

約数和(自身を除く): 5334935095

約数列:

[1, 7, 13, 61, 91, 427, 793, 1831, 2081, 5551, 12817, 14567, 23803, 27053, 111691, 126941, 166621, 189371, 781837, 888587, 1451983, 1650233, 3810311, 10163881, 11551631, 26672177, 49534043, 232428971, 346738301, 1627002797, 3021576623, 21151036361]

約数ペア:

[(1, 21151036361), (7, 3021576623), (13, 1627002797), (61, 346738301), (91, 232428971), (427, 49534043), (793, 26672177), (1831, 11551631), (2081, 10163881), (5551, 3810311), (12817, 1650233), (14567, 1451983), (23803, 888587), (27053, 781837), (111691, 189371), (126941, 166621)]