21540834

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7433}}^1$

素因数の和:7471

約数の個数: 48

約数和(自身を含む): 55665792

約数和(自身を除く): 34124958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 7433, 14866, 22299, 44598, 52031, 66897, 104062, 133794, 156093, 170959, 312186, 341918, 468279, 512877, 936558, 1025754, 1196713, 1538631, 2393426, 3077262, 3590139, 7180278, 10770417, 21540834]

約数ペア:

[(1, 21540834), (2, 10770417), (3, 7180278), (6, 3590139), (7, 3077262), (9, 2393426), (14, 1538631), (18, 1196713), (21, 1025754), (23, 936558), (42, 512877), (46, 468279), (63, 341918), (69, 312186), (126, 170959), (138, 156093), (161, 133794), (207, 104062), (322, 66897), (414, 52031), (483, 44598), (966, 22299), (1449, 14866), (2898, 7433)]