21730653

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4999}}^1$

素因数の和:5038

約数の個数: 32

約数和(自身を含む): 38400000

約数和(自身を除く): 16669347

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 4999, 14997, 34993, 44991, 104979, 114977, 134973, 314937, 344931, 804839, 944811, 1034793, 2414517, 3104379, 7243551, 21730653]

約数ペア:

[(1, 21730653), (3, 7243551), (7, 3104379), (9, 2414517), (21, 1034793), (23, 944811), (27, 804839), (63, 344931), (69, 314937), (161, 134973), (189, 114977), (207, 104979), (483, 44991), (621, 34993), (1449, 14997), (4347, 4999)]