21754803

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 35122176

約数和(自身を除く): 13367373

約数列:

[1, 3, 7, 21, 23, 69, 73, 161, 219, 483, 511, 617, 1533, 1679, 1851, 4319, 5037, 11753, 12957, 14191, 35259, 42573, 45041, 99337, 135123, 298011, 315287, 945861, 1035943, 3107829, 7251601, 21754803]

約数ペア:

[(1, 21754803), (3, 7251601), (7, 3107829), (21, 1035943), (23, 945861), (69, 315287), (73, 298011), (161, 135123), (219, 99337), (483, 45041), (511, 42573), (617, 35259), (1533, 14191), (1679, 12957), (1851, 11753), (4319, 5037)]