21923853

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2389}}^1$

素因数の和:2441

約数の個数: 32

約数和(自身を含む): 36710400

約数和(自身を除く): 14786547

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 2389, 3059, 7167, 9177, 16723, 45391, 50169, 54947, 136173, 164841, 317737, 384629, 953211, 1043993, 1153887, 3131979, 7307951, 21923853]

約数ペア:

[(1, 21923853), (3, 7307951), (7, 3131979), (19, 1153887), (21, 1043993), (23, 953211), (57, 384629), (69, 317737), (133, 164841), (161, 136173), (399, 54947), (437, 50169), (483, 45391), (1311, 16723), (2389, 9177), (3059, 7167)]