21869851836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{655807}}^1$

素因数の和:656218

約数の個数: 48

約数和(自身を含む): 58466594816

約数和(自身を除く): 36596742980

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 397, 794, 1191, 1588, 2382, 2779, 4764, 5558, 8337, 11116, 16674, 33348, 655807, 1311614, 1967421, 2623228, 3934842, 4590649, 7869684, 9181298, 13771947, 18362596, 27543894, 55087788, 260355379, 520710758, 781066137, 1041421516, 1562132274, 1822487653, 3124264548, 3644975306, 5467462959, 7289950612, 10934925918, 21869851836]

約数ペア:

[(1, 21869851836), (2, 10934925918), (3, 7289950612), (4, 5467462959), (6, 3644975306), (7, 3124264548), (12, 1822487653), (14, 1562132274), (21, 1041421516), (28, 781066137), (42, 520710758), (84, 260355379), (397, 55087788), (794, 27543894), (1191, 18362596), (1588, 13771947), (2382, 9181298), (2779, 7869684), (4764, 4590649), (5558, 3934842), (8337, 2623228), (11116, 1967421), (16674, 1311614), (33348, 655807)]