21459056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{70589}}^1$

素因数の和:70616

約数の個数: 20

約数和(自身を含む): 43765800

約数和(自身を除く): 22306744

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 70589, 141178, 282356, 564712, 1129424, 1341191, 2682382, 5364764, 10729528, 21459056]

約数ペア:

[(1, 21459056), (2, 10729528), (4, 5364764), (8, 2682382), (16, 1341191), (19, 1129424), (38, 564712), (76, 282356), (152, 141178), (304, 70589)]