21354288

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:282

約数の個数: 80

約数和(自身を含む): 57901056

約数和(自身を除く): 36546768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 113, 124, 127, 186, 226, 248, 254, 339, 372, 381, 452, 496, 508, 678, 744, 762, 904, 1016, 1356, 1488, 1524, 1808, 2032, 2712, 3048, 3503, 3937, 5424, 6096, 7006, 7874, 10509, 11811, 14012, 14351, 15748, 21018, 23622, 28024, 28702, 31496, 42036, 43053, 47244, 56048, 57404, 62992, 84072, 86106, 94488, 114808, 168144, 172212, 188976, 229616, 344424, 444881, 688848, 889762, 1334643, 1779524, 2669286, 3559048, 5338572, 7118096, 10677144, 21354288]

約数ペア:

[(1, 21354288), (2, 10677144), (3, 7118096), (4, 5338572), (6, 3559048), (8, 2669286), (12, 1779524), (16, 1334643), (24, 889762), (31, 688848), (48, 444881), (62, 344424), (93, 229616), (113, 188976), (124, 172212), (127, 168144), (186, 114808), (226, 94488), (248, 86106), (254, 84072), (339, 62992), (372, 57404), (381, 56048), (452, 47244), (496, 43053), (508, 42036), (678, 31496), (744, 28702), (762, 28024), (904, 23622), (1016, 21018), (1356, 15748), (1488, 14351), (1524, 14012), (1808, 11811), (2032, 10509), (2712, 7874), (3048, 7006), (3503, 6096), (3937, 5424)]