21439550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2293}}^1$

素因数の和:2333

約数の個数: 48

約数和(自身を含む): 46081872

約数和(自身を除く): 24642322

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 170, 187, 275, 374, 425, 550, 850, 935, 1870, 2293, 4586, 4675, 9350, 11465, 22930, 25223, 38981, 50446, 57325, 77962, 114650, 126115, 194905, 252230, 389810, 428791, 630575, 857582, 974525, 1261150, 1949050, 2143955, 4287910, 10719775, 21439550]

約数ペア:

[(1, 21439550), (2, 10719775), (5, 4287910), (10, 2143955), (11, 1949050), (17, 1261150), (22, 974525), (25, 857582), (34, 630575), (50, 428791), (55, 389810), (85, 252230), (110, 194905), (170, 126115), (187, 114650), (275, 77962), (374, 57325), (425, 50446), (550, 38981), (850, 25223), (935, 22930), (1870, 11465), (2293, 9350), (4586, 4675)]