21167654391

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{26171}}^1$

素因数の和:26444

約数の個数: 48

約数和(自身を含む): 34143363072

約数和(自身を除く): 12975708681

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 223, 279, 403, 669, 1209, 2007, 2899, 3627, 6913, 8697, 20739, 26091, 26171, 62217, 78513, 89869, 235539, 269607, 340223, 808821, 811301, 1020669, 2433903, 3062007, 5836133, 7301709, 10546913, 17508399, 31640739, 52525197, 75869729, 94922217, 180920123, 227609187, 542760369, 682827561, 1628281107, 2351961599, 7055884797, 21167654391]

約数ペア:

[(1, 21167654391), (3, 7055884797), (9, 2351961599), (13, 1628281107), (31, 682827561), (39, 542760369), (93, 227609187), (117, 180920123), (223, 94922217), (279, 75869729), (403, 52525197), (669, 31640739), (1209, 17508399), (2007, 10546913), (2899, 7301709), (3627, 5836133), (6913, 3062007), (8697, 2433903), (20739, 1020669), (26091, 811301), (26171, 808821), (62217, 340223), (78513, 269607), (89869, 235539)]