21162528

素因数分解:

$2^5\times 3^2\times {\mathrm{197}}^1\times {\mathrm{373}}^1$

素因数の和:586

約数の個数: 72

約数和(自身を含む): 60648588

約数和(自身を除く): 39486060

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 197, 288, 373, 394, 591, 746, 788, 1119, 1182, 1492, 1576, 1773, 2238, 2364, 2984, 3152, 3357, 3546, 4476, 4728, 5968, 6304, 6714, 7092, 8952, 9456, 11936, 13428, 14184, 17904, 18912, 26856, 28368, 35808, 53712, 56736, 73481, 107424, 146962, 220443, 293924, 440886, 587848, 661329, 881772, 1175696, 1322658, 1763544, 2351392, 2645316, 3527088, 5290632, 7054176, 10581264, 21162528]

約数ペア:

[(1, 21162528), (2, 10581264), (3, 7054176), (4, 5290632), (6, 3527088), (8, 2645316), (9, 2351392), (12, 1763544), (16, 1322658), (18, 1175696), (24, 881772), (32, 661329), (36, 587848), (48, 440886), (72, 293924), (96, 220443), (144, 146962), (197, 107424), (288, 73481), (373, 56736), (394, 53712), (591, 35808), (746, 28368), (788, 26856), (1119, 18912), (1182, 17904), (1492, 14184), (1576, 13428), (1773, 11936), (2238, 9456), (2364, 8952), (2984, 7092), (3152, 6714), (3357, 6304), (3546, 5968), (4476, 4728)]