21025894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{6217}}^1$

素因数の和:6327

約数の個数: 16

約数和(自身を含む): 33577200

約数和(自身を除く): 12551306

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 6217, 12434, 118123, 236246, 553313, 1106626, 10512947, 21025894]

約数ペア:

[(1, 21025894), (2, 10512947), (19, 1106626), (38, 553313), (89, 236246), (178, 118123), (1691, 12434), (3382, 6217)]