21019470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{743}}^1$

素因数の和:817

約数の個数: 64

約数和(自身を含む): 53996544

約数和(自身を除く): 32977074

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 41, 46, 69, 82, 115, 123, 138, 205, 230, 246, 345, 410, 615, 690, 743, 943, 1230, 1486, 1886, 2229, 2829, 3715, 4458, 4715, 5658, 7430, 9430, 11145, 14145, 17089, 22290, 28290, 30463, 34178, 51267, 60926, 85445, 91389, 102534, 152315, 170890, 182778, 256335, 304630, 456945, 512670, 700649, 913890, 1401298, 2101947, 3503245, 4203894, 7006490, 10509735, 21019470]

約数ペア:

[(1, 21019470), (2, 10509735), (3, 7006490), (5, 4203894), (6, 3503245), (10, 2101947), (15, 1401298), (23, 913890), (30, 700649), (41, 512670), (46, 456945), (69, 304630), (82, 256335), (115, 182778), (123, 170890), (138, 152315), (205, 102534), (230, 91389), (246, 85445), (345, 60926), (410, 51267), (615, 34178), (690, 30463), (743, 28290), (943, 22290), (1230, 17089), (1486, 14145), (1886, 11145), (2229, 9430), (2829, 7430), (3715, 5658), (4458, 4715)]