21749574

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 32993466

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 179, 231, 263, 358, 462, 526, 537, 789, 1074, 1253, 1578, 1841, 1969, 2506, 2893, 3682, 3759, 3938, 5523, 5786, 5907, 7518, 8679, 11046, 11814, 13783, 17358, 20251, 27566, 40502, 41349, 47077, 60753, 82698, 94154, 121506, 141231, 282462, 329539, 517847, 659078, 988617, 1035694, 1553541, 1977234, 3107082, 3624929, 7249858, 10874787, 21749574]

約数ペア:

[(1, 21749574), (2, 10874787), (3, 7249858), (6, 3624929), (7, 3107082), (11, 1977234), (14, 1553541), (21, 1035694), (22, 988617), (33, 659078), (42, 517847), (66, 329539), (77, 282462), (154, 141231), (179, 121506), (231, 94154), (263, 82698), (358, 60753), (462, 47077), (526, 41349), (537, 40502), (789, 27566), (1074, 20251), (1253, 17358), (1578, 13783), (1841, 11814), (1969, 11046), (2506, 8679), (2893, 7518), (3682, 5907), (3759, 5786), (3938, 5523)]