21136848

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25903}}^1$

素因数の和:25931

約数の個数: 40

約数和(自身を含む): 57817728

約数和(自身を除く): 36680880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25903, 51806, 77709, 103612, 155418, 207224, 310836, 414448, 440351, 621672, 880702, 1243344, 1321053, 1761404, 2642106, 3522808, 5284212, 7045616, 10568424, 21136848]

約数ペア:

[(1, 21136848), (2, 10568424), (3, 7045616), (4, 5284212), (6, 3522808), (8, 2642106), (12, 1761404), (16, 1321053), (17, 1243344), (24, 880702), (34, 621672), (48, 440351), (51, 414448), (68, 310836), (102, 207224), (136, 155418), (204, 103612), (272, 77709), (408, 51806), (816, 25903)]