21499190498

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 34871316480

約数和(自身を除く): 13372125982

約数列:

[1, 2, 19, 38, 107, 131, 181, 214, 223, 262, 362, 446, 2033, 2489, 3439, 4066, 4237, 4978, 6878, 8474, 14017, 19367, 23711, 23861, 28034, 29213, 38734, 40363, 47422, 47722, 58426, 80726, 266323, 367973, 450509, 453359, 532646, 555047, 735946, 766897, 901018, 906718, 1110094, 1533794, 2537077, 3125791, 4318841, 5074154, 5287553, 6251582, 8637682, 10575106, 48204463, 59390029, 82057979, 96408926, 100463507, 118780058, 164115958, 200927014, 565768171, 1131536342, 10749595249, 21499190498]

約数ペア:

[(1, 21499190498), (2, 10749595249), (19, 1131536342), (38, 565768171), (107, 200927014), (131, 164115958), (181, 118780058), (214, 100463507), (223, 96408926), (262, 82057979), (362, 59390029), (446, 48204463), (2033, 10575106), (2489, 8637682), (3439, 6251582), (4066, 5287553), (4237, 5074154), (4978, 4318841), (6878, 3125791), (8474, 2537077), (14017, 1533794), (19367, 1110094), (23711, 906718), (23861, 901018), (28034, 766897), (29213, 735946), (38734, 555047), (40363, 532646), (47422, 453359), (47722, 450509), (58426, 367973), (80726, 266323)]