21483357

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2341}}^1$

素因数の和:2393

約数の個数: 32

約数和(自身を含む): 35973120

約数和(自身を除く): 14489763

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 2341, 3059, 7023, 9177, 16387, 44479, 49161, 53843, 133437, 161529, 311353, 376901, 934059, 1023017, 1130703, 3069051, 7161119, 21483357]

約数ペア:

[(1, 21483357), (3, 7161119), (7, 3069051), (19, 1130703), (21, 1023017), (23, 934059), (57, 376901), (69, 311353), (133, 161529), (161, 133437), (399, 53843), (437, 49161), (483, 44479), (1311, 16387), (2341, 9177), (3059, 7023)]