21107316

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 51097536

約数和(自身を除く): 29990220

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 137, 148, 222, 274, 347, 411, 444, 548, 694, 822, 1041, 1388, 1644, 2082, 4164, 5069, 10138, 12839, 15207, 20276, 25678, 30414, 38517, 47539, 51356, 60828, 77034, 95078, 142617, 154068, 190156, 285234, 570468, 1758943, 3517886, 5276829, 7035772, 10553658, 21107316]

約数ペア:

[(1, 21107316), (2, 10553658), (3, 7035772), (4, 5276829), (6, 3517886), (12, 1758943), (37, 570468), (74, 285234), (111, 190156), (137, 154068), (148, 142617), (222, 95078), (274, 77034), (347, 60828), (411, 51356), (444, 47539), (548, 38517), (694, 30414), (822, 25678), (1041, 20276), (1388, 15207), (1644, 12839), (2082, 10138), (4164, 5069)]