21105198

素因数分解:

$2^1\times 3^4\times {\mathrm{130279}}^1$

素因数の和:130293

約数の個数: 20

約数和(自身を含む): 47291640

約数和(自身を除く): 26186442

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 130279, 260558, 390837, 781674, 1172511, 2345022, 3517533, 7035066, 10552599, 21105198]

約数ペア:

[(1, 21105198), (2, 10552599), (3, 7035066), (6, 3517533), (9, 2345022), (18, 1172511), (27, 781674), (54, 390837), (81, 260558), (162, 130279)]