21740922

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1583}}^1$

素因数の和:1707

約数の個数: 48

約数和(自身を含む): 54362880

約数和(自身を除く): 32621958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 109, 126, 218, 327, 654, 763, 981, 1526, 1583, 1962, 2289, 3166, 4578, 4749, 6867, 9498, 11081, 13734, 14247, 22162, 28494, 33243, 66486, 99729, 172547, 199458, 345094, 517641, 1035282, 1207829, 1552923, 2415658, 3105846, 3623487, 7246974, 10870461, 21740922]

約数ペア:

[(1, 21740922), (2, 10870461), (3, 7246974), (6, 3623487), (7, 3105846), (9, 2415658), (14, 1552923), (18, 1207829), (21, 1035282), (42, 517641), (63, 345094), (109, 199458), (126, 172547), (218, 99729), (327, 66486), (654, 33243), (763, 28494), (981, 22162), (1526, 14247), (1583, 13734), (1962, 11081), (2289, 9498), (3166, 6867), (4578, 4749)]