21302448

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{5347}}^1$

素因数の和:5441

約数の個数: 40

約数和(自身を含む): 55704768

約数和(自身を除く): 34402320

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 332, 498, 664, 996, 1328, 1992, 3984, 5347, 10694, 16041, 21388, 32082, 42776, 64164, 85552, 128328, 256656, 443801, 887602, 1331403, 1775204, 2662806, 3550408, 5325612, 7100816, 10651224, 21302448]

約数ペア:

[(1, 21302448), (2, 10651224), (3, 7100816), (4, 5325612), (6, 3550408), (8, 2662806), (12, 1775204), (16, 1331403), (24, 887602), (48, 443801), (83, 256656), (166, 128328), (249, 85552), (332, 64164), (498, 42776), (664, 32082), (996, 21388), (1328, 16041), (1992, 10694), (3984, 5347)]