21786498

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 49356216

約数和(自身を除く): 27569718

約数列:

[1, 2, 3, 6, 9, 18, 41, 53, 82, 106, 123, 159, 246, 318, 369, 477, 557, 738, 954, 1114, 1671, 2173, 3342, 4346, 5013, 6519, 10026, 13038, 19557, 22837, 29521, 39114, 45674, 59042, 68511, 88563, 137022, 177126, 205533, 265689, 411066, 531378, 1210361, 2420722, 3631083, 7262166, 10893249, 21786498]

約数ペア:

[(1, 21786498), (2, 10893249), (3, 7262166), (6, 3631083), (9, 2420722), (18, 1210361), (41, 531378), (53, 411066), (82, 265689), (106, 205533), (123, 177126), (159, 137022), (246, 88563), (318, 68511), (369, 59042), (477, 45674), (557, 39114), (738, 29521), (954, 22837), (1114, 19557), (1671, 13038), (2173, 10026), (3342, 6519), (4346, 5013)]