21090665616

素因数分解:

$2^4\times 3^1\times {\mathrm{997}}^1\times {\mathrm{440711}}^1$

素因数の和:441719

約数の個数: 40

約数和(自身を含む): 54538991424

約数和(自身を除く): 33448325808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 997, 1994, 2991, 3988, 5982, 7976, 11964, 15952, 23928, 47856, 440711, 881422, 1322133, 1762844, 2644266, 3525688, 5288532, 7051376, 10577064, 21154128, 439388867, 878777734, 1318166601, 1757555468, 2636333202, 3515110936, 5272666404, 7030221872, 10545332808, 21090665616]

約数ペア:

[(1, 21090665616), (2, 10545332808), (3, 7030221872), (4, 5272666404), (6, 3515110936), (8, 2636333202), (12, 1757555468), (16, 1318166601), (24, 878777734), (48, 439388867), (997, 21154128), (1994, 10577064), (2991, 7051376), (3988, 5288532), (5982, 3525688), (7976, 2644266), (11964, 1762844), (15952, 1322133), (23928, 881422), (47856, 440711)]