21291363927

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{827}}^1\times {\mathrm{98641}}^1$

素因数の和:99503

約数の個数: 24

約数和(自身を含む): 31853474640

約数和(自身を除く): 10562110713

約数列:

[1, 3, 9, 29, 87, 261, 827, 2481, 7443, 23983, 71949, 98641, 215847, 295923, 887769, 2860589, 8581767, 25745301, 81576107, 244728321, 734184963, 2365707103, 7097121309, 21291363927]

約数ペア:

[(1, 21291363927), (3, 7097121309), (9, 2365707103), (29, 734184963), (87, 244728321), (261, 81576107), (827, 25745301), (2481, 8581767), (7443, 2860589), (23983, 887769), (71949, 295923), (98641, 215847)]