21252112

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6121}}^1$

素因数の和:6167

約数の個数: 40

約数和(自身を含む): 48584192

約数和(自身を除く): 27332080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 6121, 12242, 24484, 42847, 48968, 85694, 97936, 171388, 189751, 342776, 379502, 685552, 759004, 1328257, 1518008, 2656514, 3036016, 5313028, 10626056, 21252112]

約数ペア:

[(1, 21252112), (2, 10626056), (4, 5313028), (7, 3036016), (8, 2656514), (14, 1518008), (16, 1328257), (28, 759004), (31, 685552), (56, 379502), (62, 342776), (112, 189751), (124, 171388), (217, 97936), (248, 85694), (434, 48968), (496, 42847), (868, 24484), (1736, 12242), (3472, 6121)]