21348873

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8689}}^1$

素因数の和:8718

約数の個数: 32

約数和(自身を含む): 38931200

約数和(自身を除く): 17582327

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8689, 26067, 60823, 78201, 112957, 182469, 234603, 338871, 547407, 790699, 1016613, 1642221, 2372097, 3049839, 7116291, 21348873]

約数ペア:

[(1, 21348873), (3, 7116291), (7, 3049839), (9, 2372097), (13, 1642221), (21, 1016613), (27, 790699), (39, 547407), (63, 338871), (91, 234603), (117, 182469), (189, 112957), (273, 78201), (351, 60823), (819, 26067), (2457, 8689)]