21802228

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 46617984

約数和(自身を除く): 24815756

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 163, 238, 281, 326, 476, 562, 652, 1124, 1141, 1967, 2282, 2771, 3934, 4564, 4777, 5542, 7868, 9554, 11084, 19108, 19397, 33439, 38794, 45803, 66878, 77588, 91606, 133756, 183212, 320621, 641242, 778651, 1282484, 1557302, 3114604, 5450557, 10901114, 21802228]

約数ペア:

[(1, 21802228), (2, 10901114), (4, 5450557), (7, 3114604), (14, 1557302), (17, 1282484), (28, 778651), (34, 641242), (68, 320621), (119, 183212), (163, 133756), (238, 91606), (281, 77588), (326, 66878), (476, 45803), (562, 38794), (652, 33439), (1124, 19397), (1141, 19108), (1967, 11084), (2282, 9554), (2771, 7868), (3934, 5542), (4564, 4777)]