21079524

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{541}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 52448256

約数和(自身を除く): 31368732

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 191, 204, 382, 541, 573, 764, 1082, 1146, 1623, 2164, 2292, 3246, 3247, 6492, 6494, 9197, 9741, 12988, 18394, 19482, 27591, 36788, 38964, 55182, 103331, 110364, 206662, 309993, 413324, 619986, 1239972, 1756627, 3513254, 5269881, 7026508, 10539762, 21079524]

約数ペア:

[(1, 21079524), (2, 10539762), (3, 7026508), (4, 5269881), (6, 3513254), (12, 1756627), (17, 1239972), (34, 619986), (51, 413324), (68, 309993), (102, 206662), (191, 110364), (204, 103331), (382, 55182), (541, 38964), (573, 36788), (764, 27591), (1082, 19482), (1146, 18394), (1623, 12988), (2164, 9741), (2292, 9197), (3246, 6494), (3247, 6492)]