21155856

素因数分解:

$2^4\times 3^1\times {\mathrm{613}}^1\times {\mathrm{719}}^1$

素因数の和:1343

約数の個数: 40

約数和(自身を含む): 54817920

約数和(自身を除く): 33662064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 613, 719, 1226, 1438, 1839, 2157, 2452, 2876, 3678, 4314, 4904, 5752, 7356, 8628, 9808, 11504, 14712, 17256, 29424, 34512, 440747, 881494, 1322241, 1762988, 2644482, 3525976, 5288964, 7051952, 10577928, 21155856]

約数ペア:

[(1, 21155856), (2, 10577928), (3, 7051952), (4, 5288964), (6, 3525976), (8, 2644482), (12, 1762988), (16, 1322241), (24, 881494), (48, 440747), (613, 34512), (719, 29424), (1226, 17256), (1438, 14712), (1839, 11504), (2157, 9808), (2452, 8628), (2876, 7356), (3678, 5752), (4314, 4904)]