21741768

素因数分解:

$2^3\times 3^2\times {\mathrm{67}}^1\times {\mathrm{4507}}^1$

素因数の和:4586

約数の個数: 48

約数和(自身を含む): 59776080

約数和(自身を除く): 38034312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 67, 72, 134, 201, 268, 402, 536, 603, 804, 1206, 1608, 2412, 4507, 4824, 9014, 13521, 18028, 27042, 36056, 40563, 54084, 81126, 108168, 162252, 301969, 324504, 603938, 905907, 1207876, 1811814, 2415752, 2717721, 3623628, 5435442, 7247256, 10870884, 21741768]

約数ペア:

[(1, 21741768), (2, 10870884), (3, 7247256), (4, 5435442), (6, 3623628), (8, 2717721), (9, 2415752), (12, 1811814), (18, 1207876), (24, 905907), (36, 603938), (67, 324504), (72, 301969), (134, 162252), (201, 108168), (268, 81126), (402, 54084), (536, 40563), (603, 36056), (804, 27042), (1206, 18028), (1608, 13521), (2412, 9014), (4507, 4824)]