21722052

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 57244320

約数和(自身を除く): 35522268

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 89, 129, 132, 172, 178, 258, 267, 356, 473, 516, 534, 946, 979, 1068, 1419, 1849, 1892, 1958, 2838, 2937, 3698, 3827, 3916, 5547, 5676, 5874, 7396, 7654, 11094, 11481, 11748, 15308, 20339, 22188, 22962, 40678, 42097, 45924, 61017, 81356, 84194, 122034, 126291, 164561, 168388, 244068, 252582, 329122, 493683, 505164, 658244, 987366, 1810171, 1974732, 3620342, 5430513, 7240684, 10861026, 21722052]

約数ペア:

[(1, 21722052), (2, 10861026), (3, 7240684), (4, 5430513), (6, 3620342), (11, 1974732), (12, 1810171), (22, 987366), (33, 658244), (43, 505164), (44, 493683), (66, 329122), (86, 252582), (89, 244068), (129, 168388), (132, 164561), (172, 126291), (178, 122034), (258, 84194), (267, 81356), (356, 61017), (473, 45924), (516, 42097), (534, 40678), (946, 22962), (979, 22188), (1068, 20339), (1419, 15308), (1849, 11748), (1892, 11481), (1958, 11094), (2838, 7654), (2937, 7396), (3698, 5874), (3827, 5676), (3916, 5547)]