21258756

素因数分解:

$2^2\times 3^2\times {\mathrm{179}}^1\times {\mathrm{3299}}^1$

素因数の和:3488

約数の個数: 36

約数和(自身を含む): 54054000

約数和(自身を除く): 32795244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 179, 358, 537, 716, 1074, 1611, 2148, 3222, 3299, 6444, 6598, 9897, 13196, 19794, 29691, 39588, 59382, 118764, 590521, 1181042, 1771563, 2362084, 3543126, 5314689, 7086252, 10629378, 21258756]

約数ペア:

[(1, 21258756), (2, 10629378), (3, 7086252), (4, 5314689), (6, 3543126), (9, 2362084), (12, 1771563), (18, 1181042), (36, 590521), (179, 118764), (358, 59382), (537, 39588), (716, 29691), (1074, 19794), (1611, 13196), (2148, 9897), (3222, 6598), (3299, 6444)]