21676158

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2423}}^1$

素因数の和:2509

約数の個数: 48

約数和(自身を含む): 54452736

約数和(自身を除く): 32776578

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2423, 2982, 4473, 4846, 7269, 8946, 14538, 16961, 21807, 33922, 43614, 50883, 101766, 152649, 172033, 305298, 344066, 516099, 1032198, 1204231, 1548297, 2408462, 3096594, 3612693, 7225386, 10838079, 21676158]

約数ペア:

[(1, 21676158), (2, 10838079), (3, 7225386), (6, 3612693), (7, 3096594), (9, 2408462), (14, 1548297), (18, 1204231), (21, 1032198), (42, 516099), (63, 344066), (71, 305298), (126, 172033), (142, 152649), (213, 101766), (426, 50883), (497, 43614), (639, 33922), (994, 21807), (1278, 16961), (1491, 14538), (2423, 8946), (2982, 7269), (4473, 4846)]