21011646318

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{111637}}^1$

素因数の和:111801

約数の個数: 64

約数和(自身を含む): 48013271040

約数和(自身を除く): 27001624722

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 127, 247, 254, 381, 494, 741, 762, 1482, 1651, 2413, 3302, 4826, 4953, 7239, 9906, 14478, 31369, 62738, 94107, 111637, 188214, 223274, 334911, 669822, 1451281, 2121103, 2902562, 4242206, 4353843, 6363309, 8707686, 12726618, 14177899, 27574339, 28355798, 42533697, 55148678, 82723017, 85067394, 165446034, 184312687, 269380081, 368625374, 538760162, 552938061, 808140243, 1105876122, 1616280486, 3501941053, 7003882106, 10505823159, 21011646318]

約数ペア:

[(1, 21011646318), (2, 10505823159), (3, 7003882106), (6, 3501941053), (13, 1616280486), (19, 1105876122), (26, 808140243), (38, 552938061), (39, 538760162), (57, 368625374), (78, 269380081), (114, 184312687), (127, 165446034), (247, 85067394), (254, 82723017), (381, 55148678), (494, 42533697), (741, 28355798), (762, 27574339), (1482, 14177899), (1651, 12726618), (2413, 8707686), (3302, 6363309), (4826, 4353843), (4953, 4242206), (7239, 2902562), (9906, 2121103), (14478, 1451281), (31369, 669822), (62738, 334911), (94107, 223274), (111637, 188214)]