21338896

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45989}}^1$

素因数の和:46026

約数の個数: 20

約数和(自身を含む): 42770700

約数和(自身を除く): 21431804

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45989, 91978, 183956, 367912, 735824, 1333681, 2667362, 5334724, 10669448, 21338896]

約数ペア:

[(1, 21338896), (2, 10669448), (4, 5334724), (8, 2667362), (16, 1333681), (29, 735824), (58, 367912), (116, 183956), (232, 91978), (464, 45989)]