21297822

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2053}}^1$

素因数の和:2097

約数の個数: 64

約数和(自身を含む): 55211520

約数和(自身を除く): 33913698

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 2053, 3458, 4106, 5187, 6159, 10374, 12318, 14371, 26689, 28742, 39007, 43113, 53378, 78014, 80067, 86226, 117021, 160134, 186823, 234042, 273049, 373646, 507091, 546098, 560469, 819147, 1014182, 1120938, 1521273, 1638294, 3042546, 3549637, 7099274, 10648911, 21297822]

約数ペア:

[(1, 21297822), (2, 10648911), (3, 7099274), (6, 3549637), (7, 3042546), (13, 1638294), (14, 1521273), (19, 1120938), (21, 1014182), (26, 819147), (38, 560469), (39, 546098), (42, 507091), (57, 373646), (78, 273049), (91, 234042), (114, 186823), (133, 160134), (182, 117021), (247, 86226), (266, 80067), (273, 78014), (399, 53378), (494, 43113), (546, 39007), (741, 28742), (798, 26689), (1482, 14371), (1729, 12318), (2053, 10374), (3458, 6159), (4106, 5187)]