21123861

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{22073}}^1$

素因数の和:22116

約数の個数: 16

約数和(自身を含む): 31786560

約数和(自身を除く): 10662699

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 22073, 66219, 242803, 640117, 728409, 1920351, 7041287, 21123861]

約数ペア:

[(1, 21123861), (3, 7041287), (11, 1920351), (29, 728409), (33, 640117), (87, 242803), (319, 66219), (957, 22073)]